kjhollar kjhollar
  • 03-09-2014
  • Mathematics
contestada

At summer camp the ratio of boys to girls was 7:2 If there were 21 boys how many girls were there?

Respuesta :

luana
luana luana
  • 03-09-2014
[tex]Ratio:\\7:2\\\\ 7x-number\ of\ boys\\2x-number\ of\ boys\\\\ 7x=21\ \ \ |:7\\ x=3\\\\ 2x=2*3=6\\ Number\ of\ girls\ is\ equal\ to\ 6.[/tex]
Answer Link

Otras preguntas

Please tell me five slogans on conservation of natural vegetation.
Which of the following rivers is the world's busiest waterway ?
Who were the Nazis ?
The plans for a shed call for a rectangular floor with a perimeter of 204 ft. The length is two times the width. Find the length and width.
Two 1 litre jugs are each filled with a mixture of olive oil and vinegar. The first jug has 3 times as much as oil as vinegar and the second jug has 4 times as
What is the approximate circumference if the circle that has a center at (2,1) ans passes through the point (2,5). 1. 8 units 2. 13 units 3. 25 units 4. 50 unit
solve 2/3 + 1/4x = 1/3
The Radius of a sphere is 5 feet. find the area of the great circle of this sphere
Which of the following rivers is the world's busiest waterway ?
The formula C = 20x + 5 models the cost of New York Yankees T-shirts, where C is the cost and x is the number of shirts sold. Choose ALL TRUE statements in the