6th grade
posted by vhris .
There are five children in the family. Each child is three years older than the next oldest. The susm of their ages is 65. Whar are the ages fo these children.

assistance needed

let their ages be
x,x+3,x+6,x+9, and x+12
their sum = 65
5x + 30 = 65
5x = 35
x = 7
so their ages are 7,10,13,16, and 19 
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