Answer:
let the age of sumi be =x
and her brother =y
according to the questioyou can solve now
1.
x+9+10 = 2(x-10)x+19 = 2x-2019+20 = 2x-x39 =
x current age fir brother is 39Sumi is 48.
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Answers & Comments
Answer:
let the age of sumi be =x
and her brother =y
according to the questioyou can solve now
Verified answer
Answer:
1.
x+9+10 = 2(x-10)x+19 = 2x-2019+20 = 2x-x39 =
x current age fir brother is 39Sumi is 48.