Urgent system of linear equations

Mathegocart · 2016-01-29 05:44:33

Help, I keep getting negative results
A father is 32 years older than his son. In 4 years, the father will be 5 years older than his son. How old is each now?
I have made these
y=x+32
y+4=5(x+36)
in 4 years
y= fathers age
x=sons age?
Can someone help me?

Nehushtan · 2016-01-29 06:07:07

mathgogocart wrote:

y=x+32
y+4=5(x+4)

Mathegocart · 2016-01-29 06:34:23

Nehushtan wrote:

mathgogocart wrote:
y=x+32
y+4=5(x+4)

Shouldn't it be 36 because 32+4 years is 36?
Sorry if I seem kinda brushed up on this.

Nehushtan · 2016-01-29 07:14:22

In 4 years' time his son will be x+4 years old, not x+36 years old.

math9maniac · 2016-01-29 09:34:10

From the above interpretation, shouldn't the wording of the question be: "In 4 years, the father will be 5 times as old as his son" ? Since the idea of "5 years older in 4 years, gives an impossible solution?

Nehushtan · 2016-01-29 10:47:18

http://www.algebra.com/algebra/homework … 25045.html

Last edited by Nehushtan (2016-01-29 10:58:54)

bobbym · 2016-01-29 10:52:36

Hi mathgogocart;

You have not copied the problem correctly. This did not deter Nehushtan from getting the correct answer but I am stating it here for the record.

A father is 32 years older than his son. In 4 years the father will be 5 times as old as his son. How old is each now?

Math Is Fun Forum

#1 2016-01-29 05:44:33

Urgent system of linear equations

#2 2016-01-29 06:07:07

Re: Urgent system of linear equations

#3 2016-01-29 06:34:23

Re: Urgent system of linear equations

#4 2016-01-29 07:14:22

Re: Urgent system of linear equations

#5 2016-01-29 09:34:10

Re: Urgent system of linear equations

#6 2016-01-29 10:47:18

Re: Urgent system of linear equations

#7 2016-01-29 10:52:36

Re: Urgent system of linear equations

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