Using 50 boxes of nails a carpenter was able to finish 450 bird houses. Write an equation that can be used to express the relationship between the total number of birdhouses completed and the
boxes of nails used. How many birdhouses can be made with 25 boxes of nails?

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.

Darcy bought 1/2 pound of cheese and 3/4 pound of hamburger for a barbecue.use the numbers to compare the amounts of cheese and hamburger darcy bought.