Answer:
C.
Step-by-step explanation:
red: 3/8 sheet per toy
20 × 3/8 = 60/8 = 56/8 + 4/8 = 7 1/2
yellow: 5/8 sheet per toy
20 × 5/8 = 100/8 = 50/4 = 25/2 = 12 1/2
Since he needs 7 1/2 and 12 1/2, he needs to get 8 and 13 becasue 7 and 12 are not enough.
Answer: C.
