Question

Five ninths of the 45 cars pulled by the locomotive were not cattle cars.

(b) What percent of the cars pulled by the locomotive were not cattle cars?

Answer 1

44.4 %

Explanation:

Fraction of the cars not cattle cars = 1 - 5/9 = 4/9.

Numbner not cattle cars = 45 * 4/9 = 180/9 = 20.

b) Percentage not cattle cars = 100 * 20/45

= 100*4/9

= 44.4 %