Set up a ratio.
3/1.50 = 90/x
Cross multiply and solve for x.
Gina sold cookies for $3 a box. For each box she sells, she earns $1.50. One week, Gina sold $90 worth of cookies. How much did she earn?
-How do I find this answer? I don't know the steps to finding it.
3 answers
45?
Right.