Question

a restaurants average food preparation time was tracked from day to day as part of an efficiency improvement program. average food preparation time graph of food preparation time (minutes) vs. day: tuesday (30), wednesday (28), thursday (30), friday (24), saturday (26) according to the graph, when was the rate of decrease greater? between thursday and friday between tuesday and wednesday

Explanation:

Step1: Calculate decrease between Tue - Wed

Tuesday: 30 mins, Wednesday: 28 mins. Decrease: \( 30 - 28 = 2 \) mins (over 1 day, rate = 2 mins/day).

Step2: Calculate decrease between Thu - Fri

Thursday: 30 mins, Friday: 24 mins. Decrease: \( 30 - 24 = 6 \) mins (over 1 day, rate = 6 mins/day).

Step3: Compare rates

6 > 2, so Thu - Fri rate is greater.

Answer:

between Thursday and Friday