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4O girls and boys are planned for a picnic. There are in a ratio of 3 girls to 7 boys. How many boys are there? a.) 21 b.) 22 c.) 27 d.) 28

Sagot :

ANSWER:

D. 28

7 + 3 = 10

40 ÷ 10 = 4

4 × 3 = 12 girls

4 × 7 = 28 boys