Peter 70794

Peter is x years old. Juraj is 2/5 older than Peter. They are 72 years old in total. How old is Peter, and how old is Juraj?

Correct answer:

x =  30
y =  42

Step-by-step explanation:

y=52 x+x x+y=72  y=2/5 x+x x+y=72  7x5y=0 x+y=72  Row271 Row1Row2 7x5y=0 1.71y=72  y=1.7142857172=42 x=70+5y=70+5 42=30  x=30 y=42



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