2 Answers

Gogi · Answer 1 · 2018-01-10T06:05:38+0000

Mary is: x + 6
Jelly is x
Their sum is 48

x + x + 6 = 48
2x + 6 (-6) = 48 (-6)
2x = 42
2x/2 = 42/2
x = 21

Jelly is 21 years old
Mary is 27 years old

hope this helps

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