Let x equal the total number of boys.
3/7 = x/140
Cross multiply.
7x = 420
x = 420/7
x = ?
franklin school has 3 boys for every 4 4 girls in fifth grade . there were 140 students in the fifth grade.
A.how many are boys
B.how many are gorls
2 answers
60 boys
80 girls
80 girls