1200 (1+.8 * 30/12) = 1740.00
1740.00 - 1200 = $540
Y=-3x+23
distribute -3, get y alone (add 2 to both sides)
Use proportions and use letters for unknown measurements
Volume of a square pyramid when the area of the base is known is area x height/3
Volume = 48 x 8/3 = 128 cubic cm.
Solving The Problem From Eaxh Side Is Easier
