Problema Solution

a fraternity $2.00 admission for boys and $1.00 for girls. They made $50.00 and sold 40 tickets. How many girls were there?

Answer provided by our tutors

let 'x' represent the number of girls there, then '40-x' represents the number of boys there

expressed as an equation for cost:

1.00x+2.00(40-x)=50.00

click here to solve for x

x=30

There were 30 girls there.