Register
In math class the girl to boy ratio is 3to 6 if there are 15 girls how many boys are there?
228k views
4 votes
In math class the girl to boy ratio is 3to 6 if there are 15 girls how many boys are there?

User Giorgio Borgo
by
8.6k points

2 Answers

4 votes
proprtions

3 / 6 = 15 / x

so 15 * 6 = 90

divide by 3 and get 30 boys


User Radu Stoenescu
by
8.2k points
2 votes
Another way at looking at it is, for every 3 girls, there are 6 boys or equal to that is a 1:2 ratio. So if there are 15 girls and twice as many guys, there will be 30 guys
User Eduardo Wada
by
8.6k points
← Prev Question Next Question →

Related questions

User Gavin G
asked Mar 1, 2017 234k views
a student writes 5y×3to model the relationship between 15 and the sum of 5y and 3 . explain the error.
Gavin G asked Mar 1, 2017
by Gavin G
8.2k points
1 answer
1 vote
234k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!