Question

Carter has 60 balloons. 412
of the balloons are black, and 312
of the balloons are white. The rest of the balloons are red. How many red balloons Carter has? Show your calculations in the space provided.

(3 points)

Answer 1

Interpret 4/12 and 3/12 of the balloons:

Black: (4/12) × 60 = (4×60)/12 = 240/12 = 20
White: (3/12) × 60 = (3×60)/12 = 180/12 = 15

Total black + white = 20 + 15 = 35
Red = 60 − 35 = 25

Carter has 25 red balloons.