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#1 2007-01-12 02:48:16

jxharmon
Member
Registered: 2007-01-08
Posts: 104

How do u determine r, b, amt?

Identify the rate, base, and amount in the following application.
    In a class of 25 students, 8 received a grade of A.  What percent of the students received A's?

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#2 2007-01-12 02:57:47

luca-deltodesco
Member
Registered: 2006-05-05
Posts: 1,470

Re: How do u determine r, b, amt?

im not sure what you mean by rate base amount....

but answering the question itself.

to calculate a percentage, generally you would do

in this case

however, you might realise here, that theres no need to divide 8 by 25, think of it just as a fraction, and you get

Last edited by luca-deltodesco (2007-01-12 02:59:04)


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#3 2007-01-12 03:06:02

jxharmon
Member
Registered: 2007-01-08
Posts: 104

Re: How do u determine r, b, amt?

I just have to identify which is base, rate, and amount....don't have to solve the problem and I am confused on how to determine what is what.

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#4 2007-01-12 03:08:39

luca-deltodesco
Member
Registered: 2006-05-05
Posts: 1,470

Re: How do u determine r, b, amt?

ive never came across those terms in reference to this question


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#5 2007-01-12 07:04:59

jxharmon
Member
Registered: 2007-01-08
Posts: 104

Re: How do u determine r, b, amt?

I think it is this: I keep 2nd guessing myself!

RATE= 8
BASE=25
AMOUNT=% OF STUDENTS RECEIVING A'S
????

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#6 2016-12-25 14:09:44

Monox D. I-Fly
Member
Registered: 2015-12-02
Posts: 700

Re: How do u determine r, b, amt?

I think it is vice-versa, though, as I think "rate" is kinda short of "ratio", which is the percentage itself, which is 32% or 8:25. Not sure about the base and amount, though.

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#7 2016-12-25 16:05:44

thickhead
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Registered: 2016-04-16
Posts: 982

Re: How do u determine r, b, amt?

jxharmon wrote:

I think it is this: I keep 2nd guessing myself!

RATE= 8
BASE=25
AMOUNT=% OF STUDENTS RECEIVING A'S
????

RATE=32
BASE=25
AMOUNT=NUMBER  OF STUDENTS RECEIVING A'S=8
I corrected the mistake in rate.

Last edited by thickhead (2016-12-25 21:15:30)


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#8 2016-12-25 20:04:44

Monox D. I-Fly
Member
Registered: 2015-12-02
Posts: 700

Re: How do u determine r, b, amt?

thickhead wrote:
jxharmon wrote:

I think it is this: I keep 2nd guessing myself!

RATE= 8
BASE=25
AMOUNT=% OF STUDENTS RECEIVING A'S
????

RATE= 8
BASE=25
AMOUNT=NUMBER  OF STUDENTS RECEIVING A'S

That said, Amount = Rate?

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