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SAT® Math

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Moderate

Family Average

SATMAT-ELUI4F

A family consists of two twin baby boys, a girl, and the three children's mother and father.

If each of the two boys weighs $ w $ pounds, the girl weighs $ w+15 $ pounds, and the sum of the mother's and father's weights is $ 17w $ pounds, then what is the average (mean) weight of each family member?

(Calculator)

A

$ 4w+3 $

B

$ 9.5w+5 $

C

$ 9w+2.5 $

D

$ w+5 $