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
8.2k 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
7.7k 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
7.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.8m questions

11.4m answers

Other Questions

What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
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
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Link Copied!