Seudónimo Seudónimo

13-12-2016
Mathematics

contestada

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

Respuesta :

jkwon23 jkwon23

13-12-2016

30, because (7 girls :5 boys)*6 = 42 girls:30 boys.

Answer Link

Sanjay48 Sanjay48

13-12-2016

B: Because 42÷7=6 and 6×5=30.

Answer Link

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