A new computer system reduced the time for printing the payroll from 47 minutes to 27 minutes.
a) What is the amount of the decrease?
b) What percent decrease does this amount represent? Round your answer to the nearest percent.
A) a) 30 minutes; b) 85 $\%$
B) a) 20 minutes; b) 43 $\%$
C) a) 20 minutes; b) 85 $\%$
D) a) 30 minutes; b) 43 $\%$
E) a) 30 minutes; b) 4 $\%$

Question

A new computer system reduced the time for printing the payroll from 47 minutes to 27 minutes. 
a) What is the amount of the decrease?
b) What percent decrease does this amount represent? Round your answer to the nearest percent.
A) a) 30 minutes; b) 85 $\%$
B) a) 20 minutes; b) 43 $\%$
C) a) 20 minutes; b) 85 $\%$
D) a) 30 minutes; b) 43 $\%$
E) a) 30 minutes; b) 4 $\%$

Quizplus · Accepted Answer

The decrease in time is 47 minutes - 27 minutes = 20 minutes. The percent decrease is calculated as (decrease/original time) * 100 = (20/47) * 100, which rounds to approximately 43%.

A New Computer System Reduced the Time for Printing the Payroll