sanchezjessica123 sanchezjessica123

02-03-2020
Mathematics

contestada

A is now 4 times as old as B. Five years ago the sum of their ages was 45 years. How old is each?

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Danboghiu66 Danboghiu66

02-03-2020

a=4b

(a-5)+(b-5)=45

4b-5+b-5=45

5b=55

b=11

a=44

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