Marta is 10 years old. Her mother is 2 times as old as Marta. How old will Marta's mother be in 3 years?
Answer and explanation
Correct answer: B. 23 years
- Step 1: The mother is years old now, so in 3 years she will be . Answer: 23 years. Why not the others: 20 years: gives the age now. 13 years: gives the child's age later. 50 years: multiplies by the wrong number.
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