Ann is years older than twice Ben's age. In years, the sum of their ages will be . How old is Ann now?
Answer and explanation
Correct answer: A.
- Step 1: Let Ben's age be , so Ann's age is .
- Step 2: In years: , so .
- Step 3: Then and Ann is .
Answer
.
Why not the others: and come from dropping the or adding the years once; is Ann's age in years.
Practise more Linear equations in one variable.
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