Solving systems of equations using Substitution method and elimination

zee-f · 2011-07-03 08:16:05

and for 11 i got e

bobbym · 2011-07-03 08:20:05

Hold on one second! Your answer for 10 is what?

Let us bring down what is left.

14. A nursery owner has 288 rose bushes. There are 36 fewer red roses than pink roses. How many of each type of roses are there?
ARed roses: 162; pink roses: 252.
BRed roses: 162; pink roses: 126.
CRed roses: 99; pink roses: 126.
DRed roses: 126; pink roses: 162
ERed roses: 126; pink roses: 99
FRed roses: 252; pink roses: 162

16. A store sells televisions for $360 and DVD burners for $270. The entire stock is worth $52,920 and there are a total of 164 televisions and DVD burners combined. How many of each on are there?
A93 televisions; 72 DVD burners.
B72 televisions; 93 DVD burners.
C 96 televisions; 68 DVD burners.
D94 televisions; 74 DVD burners.
E74 televisions; 94 DVD burners
F95 televisions; 71 DVD burners.

17. The owner of an organic fruit stand also sells nuts. She wants to mix cashews worth $5.50 per pound with peanuts worth $2.30 per pound to get a 1/2 pound mixture that is worth $2.80 per pound. How much of each kind of nut should she include in the mixed bag?
ACashews: 0.10 lb.; peanuts: 0.40 1b.
BCashews: 0.43 lb.; peanuts: 0.07 1b.
CCashews: 0.40 lb.; peanuts: 0.10 1b.
DCashews: 0.27 lb.; peanuts: 0.23 1b.
ECashews: 0.23 lb.; peanuts: 0.27 1b.
FCashews: 0.07 lb.; peanuts: 0.43 1b.

zee-f · 2011-07-03 08:28:00

i got e for 11

bobbym · 2011-07-03 08:28:54

That is correct for 11. But your answer for 10 is incorrect.

zee-f · 2011-07-03 08:29:06

d for 12

anonimnystefy · 2011-07-03 08:29:58

that is correct zee-f

zee-f · 2011-07-03 08:30:57

am working on 10 thanx anonmnystefy and thanx bobbym

anonimnystefy · 2011-07-03 08:31:53

yw

zee-f · 2011-07-03 08:32:56

13-c

bobbym · 2011-07-03 08:33:36

Hi;

That is correct for 13.

zee-f · 2011-07-03 08:40:32

14-a
15-e

bobbym · 2011-07-03 08:41:10

Hold on 14 is incorrect!

For 15 E is coirrect!

zee-f · 2011-07-03 08:41:32

yay 4 more left wowww i feel tired

zee-f · 2011-07-03 08:42:34

14 is incorrect:(

bobbym · 2011-07-03 08:42:35

Hold on do not tire out now. 10 and 14 are incorrect!

zee-f · 2011-07-03 08:43:37

why is 14 incorrect is it f

bobbym · 2011-07-03 08:45:00

Nope, it is D.

Let me see your work.

zee-f · 2011-07-03 08:46:10

am getting lazy to do 16 and 17 lol am working on them

zee-f · 2011-07-03 08:49:02

ok so i got a b for 16 and 17 i got am still working on it lol

anonimnystefy · 2011-07-03 08:50:03

hi zee-f

16 is not correct

zee-f · 2011-07-03 08:50:13

can somebody tell me what the answer for 17 is

zee-f · 2011-07-03 08:51:38

yup i know am really out of it am working on biology and algebra and my head is ganna exploooode

bobbym · 2011-07-03 08:54:25

17 is F. But they could have done a better job of rounding!

Your 16 is incorrect!

zee-f · 2011-07-03 08:55:36

is my 16 correct i know right they drag in rounding

bobbym · 2011-07-03 08:57:53

You are not reading what is being posted to you.

16 is incorrect.

Math Is Fun Forum

#151 2011-07-03 08:16:05

Re: Solving systems of equations using Substitution method and elimination

#152 2011-07-03 08:20:05

Re: Solving systems of equations using Substitution method and elimination

#153 2011-07-03 08:28:00

Re: Solving systems of equations using Substitution method and elimination

#154 2011-07-03 08:28:54

Re: Solving systems of equations using Substitution method and elimination

#155 2011-07-03 08:29:06

Re: Solving systems of equations using Substitution method and elimination

#156 2011-07-03 08:29:58

Re: Solving systems of equations using Substitution method and elimination

#157 2011-07-03 08:30:57

Re: Solving systems of equations using Substitution method and elimination

#158 2011-07-03 08:31:53

Re: Solving systems of equations using Substitution method and elimination

#159 2011-07-03 08:32:56

Re: Solving systems of equations using Substitution method and elimination

#160 2011-07-03 08:33:36

Re: Solving systems of equations using Substitution method and elimination

#161 2011-07-03 08:40:32

Re: Solving systems of equations using Substitution method and elimination

#162 2011-07-03 08:41:10

Re: Solving systems of equations using Substitution method and elimination

#163 2011-07-03 08:41:32

Re: Solving systems of equations using Substitution method and elimination

#164 2011-07-03 08:42:34

Re: Solving systems of equations using Substitution method and elimination

#165 2011-07-03 08:42:35

Re: Solving systems of equations using Substitution method and elimination

#166 2011-07-03 08:43:37

Re: Solving systems of equations using Substitution method and elimination

#167 2011-07-03 08:45:00

Re: Solving systems of equations using Substitution method and elimination

#168 2011-07-03 08:46:10

Re: Solving systems of equations using Substitution method and elimination

#169 2011-07-03 08:49:02

Re: Solving systems of equations using Substitution method and elimination

#170 2011-07-03 08:50:03

Re: Solving systems of equations using Substitution method and elimination

#171 2011-07-03 08:50:13

Re: Solving systems of equations using Substitution method and elimination

#172 2011-07-03 08:51:38

Re: Solving systems of equations using Substitution method and elimination

#173 2011-07-03 08:54:25

Re: Solving systems of equations using Substitution method and elimination

#174 2011-07-03 08:55:36

Re: Solving systems of equations using Substitution method and elimination

#175 2011-07-03 08:57:53

Re: Solving systems of equations using Substitution method and elimination

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