Answer :

Answer:

Step-by-step explanation:

b = boy age = b

g = girl age = b + 8

ratios:

(b+8) / b = 7/3    Cross multiply

3 ( b+8) = 7b

3b + 24 = 7b

24 = 4b

b = 6    then g = b+8 = 14  y/o

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