Marta is 13 years old. Her mother is 2 times as old as Marta. How old will Marta's mother be in 7 years?
Answer and explanation
Correct answer: B. 33 years
- Step 1: The mother is years old now, so in 7 years she will be . Answer: 33 years. Why not the others: 26 years: gives the age now. 20 years: gives the child's age later. 117 years: multiplies by the wrong number.
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