The average weight of a midsize car is 1 3/4 tons. The average weight of a compact car is 6/7 of the weight of a midsize car. How many tons does a compact car weigh?
6/7 of 1 3/4......turn the mixed number to an improper fraction...and " of " means multiply 6/7 * 7/4 = 42/28 = 1 1/2...so a compact car weighs 1 1/2 tons or 1.5 tons