Question

At Sara's new job she spent $11.52, $6.48, $5.99, $14.00, and $9.50 on lunch the first week. In the second week, she spent $4 more in total for the 5 lunches than the first week. What is the increase in the mean for the second week compared to the first? Round the answer to the nearest penny. Enter your answer in the box.

Answer 1

The answer is 0.80 :)

Explanation:

Answer 2

The first week, Sara spent a total of $47.49, with a mean of 9.5.
The second week, Sara spent $51.49 with a mean of 10.3.
The increase in mean from the first week to the second is 0.8
Hope this helps!