The cost of water would be $615 as he needs 3 acre-feet of water for 205 acre/ft
84. They are CONGRUENT triangles. They have the same area and perimeter.
You must use x and y to solve a graphing problem
From the slowest to fastest is D, A, C, B.
1. Off of the first deal, our discount is (20)(1-.15)=17. However, because we get two widgets from this offer, we have half the price per widget, so per widget we pay 17/2=$8.50.
2. 3 1/2 is 14/4 inches. Since 1/4 inches is equal to one foot in this scale, the wall is 14 feet long.
3. We see that $37 is a third of the cost of the bike, so the full cost is 37*3=$111.
