4 years ago the ratio of the ages of a and b was 2:3 and after 4 years it becomes 5:7 find their present ages....pls pls answer it fast I have to submit it tomorrow.....
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Subject:
Math -
Author:
lailahkbnd -
Created:
1 year ago
Answers 1
Answer:
a age = 40, b age = 58
Step-by-step explanation:
make equations
let present age of a and b be x and y
eq1: x-4/y-4 = 2/3
by solving,
3x-2y-4=0 -1
eq2: x+5/ y+5= 5/7
by solving .
7x-5y+10=0 -2
by solving eq 1 and 2, we got x= 40 and y = 58 and it is the answer
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hermionefx2h
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