3/7 = x/49
Cross multiply and solve for x.
if the ratio of boys to girls is 3/4 and there are 49 students how many boys are there?
4 answers
75
Does 75 make sense? There are only a total of 49 students.
This site explains how to solve a problem with a proportion.
http://www.aaamath.com/rat-prop-crossx.htm
This site explains how to solve a problem with a proportion.
http://www.aaamath.com/rat-prop-crossx.htm
21