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The ratio of girls to boys who participated in the quiz bowl was 7:5. There were 42 girls in the competition. How many boys participated? A) 28 B) 30 C) 35 D) 49
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5 votes
The ratio of girls to boys who participated in the quiz bowl was 7:5. There were 42 girls in the competition. How many boys participated?

A) 28
B) 30
C) 35
D) 49

User AMT
by
8.6k points

2 Answers

5 votes
B: Because 42÷7=6 and 6×5=30.
User Rbenvenuto
by
8.3k points
4 votes
30, because (7 girls :5 boys)*6 = 42 girls:30 boys.


User Dieter Menne
by
8.5k points
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