SOLUTION: If the ratio of boys to girls is 3:1 and there are 4 girls, how many boys are there?
Algebra.Com
Question 830382: If the ratio of boys to girls is 3:1 and there are 4 girls, how many boys are there?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
---
x/y = 3/1
x/4 = 3/1
x = 4*3/1
x = boys = 12
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php
RELATED QUESTIONS
the ratio of boys to girls is 3:4. If there are 294 students, how many of them are... (answered by solver91311)
there are 35 students in a class and the ratio of boys to girls is 3:4. How many boys and (answered by checkley77)
The ratio of girls to boys in a class is 9 : 7. If there are 10 more girls than boys, how (answered by ewatrrr)
What is the ratio of boys to girls if there are 20 boys and 10... (answered by Cromlix)
There are 360 students. The ratio of boys to girls is 4:5. How many boys? How many... (answered by rfer)
The ratio of boys to girls at a college is 4 : 5. How many boys and girls are there if... (answered by rfer)
The ratio of boys to girls in a graduating class is 4 to 5. How many boys and girls are... (answered by Fombitz,lenny460)
At a certain high school, the ratio of boys to girls is 5 to 4. If there are
2400 boys,... (answered by mananth)
The ratio of boys to girls in a school is 5:4. If there are 500 girls, how many boys are... (answered by Maths68)