T-shirts cost $6.50 apiece. James had a coupon for $5 off. If he spent a total of $60, how many t-shirts did he buy? Write an equation and solve.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z