Problema Solution
Justin is 2 years older then ethan. in 9 years the sum of their ages will be 28. find the age of each boy now
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Let
x = the age of Justin now
y = the age of the Ethan now
Justin is 2 years older then Ethan:
x = y + 2
In 9 years the sum of their ages will be 28:
x + 9 + y + 9 = 28
We have the following system of equations:
x = y + 2
x + 9 + y + 9 = 28
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x = 6 years
y = 4 years
Justin is 6 years old now.
Ethan is 4 years old now.