When Sam is 13 his mother will be 39 which is 3 times as old as he is. So Sam's mother will be 3 times as old as Sam will be in 11 years. (Your answer is 11 years.)
Answer:
answer is 26000000
Step-by-step explanation:
10+14/7×-8=26
26 × 1000000=26000000
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