The Cost of Gasoline
26) If 12 gallons of gas cost $16.68, then how much would 17 gallons of
gas cost?
12 17
----- = -----
16.68 x
12(X) = 17(16.68)
12X = 283.56
X = 23.63
Let's now double-check by cross-multiplying:
12 * 23.63 = 17 * 16.68
283.56 = 283.56