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Question

Nila is now x years old. 3 years ago, her brother ricky was twice as old as she. Write ricky's age 10 years from now in terms of x.

(with solution pls... thanks...)
12 years ago

Answers

Reiny
Three years ago:
Nila's age --- x-3
Ricky's age --- 2(x-3)

present:
Nila: --- x
Ricky -- 2(x-3) + 3 = 2x -6 + 3 = 2x - 3

in 10 years:
Nila --- x+10
ricky ---- 2x-3+10 = 2x + 7

12 years ago

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