Register
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?
114k views
3 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?

User VonSchnauzer
by
6.8k points

1 Answer

3 votes
girs: boys = 7:5

42 : boys = 7: 5

42 : b = 7 : 5

42 / b = 7 / 5 Cross multiply

b*7 = 42 * 5

7b = 42* 5

b = 42*5/7 = 6*5 = 30

boys that participated are 30.
User Karue Benson Karue
by
6.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.4m questions

9.8m answers

Other Questions

Write words to match the expression. 24- ( 6+3)
Please solve the following equation. x-6x=56
whats the most accurate estimation of 65+77
Find the additive inverse of 18/23
What is 25% of 500.00
Link Copied!