Hanna is building a fence. She will use the house for one side of the fence as shown in the scale drawing below. If the scale of the drawing is 1 cm = 8 ft, how many feet of fencing will Hanna need?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?