Question

solve. round to the nearest tenth of a percent. as a result of an increased number of service lines at a grocery store, the average amount of time a customer waits in line has decreased from 3.8 min to 2.5 min. find the percent decrease. %

Explanation:

Step1: Calculate time difference

$3.8 - 2.5 = 1.3$

Step2: Divide by original time

$\frac{1.3}{3.8} \approx 0.3421$

Step3: Convert to percentage

$0.3421 \times 100 = 34.21\%$

Step4: Round to nearest tenth

$34.2\%$

Answer:

34.2%