header bg

Scan QR code or get instant email to install app


Tanya’s bowling scores this week were 112, 156, 179, and 165. Last week, her average score was 140. How many points did her average improve?

A 13

The average is found by adding up all the scores and dividing by the total number of scores. The average this week is (112+156+179+165)/4 =612/4=153. The amount of improvement is 153 – 140 = 13.