This table shows the number of miles that Sharon rode her bicycle in six weeks. If the mean number of miles she rode is 30, find the number of miles she rode in Week 3.

Week 1 21

Week 2 34

Week 3?

Week 4 25

Week 5 37

Week 6 22

Question

Mathematics

Reagan Rubio

3 October, 14:36

This table shows the number of miles that Sharon rode her bicycle in six weeks. If the mean number of miles she rode is 30, find the number of miles she rode in Week 3.

Week 1 21

Week 2 34

Week 3?

Week 4 25

Week 5 37

Week 6 22

+3

Answers (1)

Know the Answer?

Orion Elliott · Answer 1

(21 + 34 + x + 25 + 37 + 22) / 6 = 30

(139 + x) / 6 = 30 ... multiply both sides by 6

139 + x = 30 * 6

139 + x = 180

x = 180 - 139

x = 41 ... so during week 3, she rode her bike 41 miles

This table shows the number of miles that Sharon rode her bicycle in six weeks. If the mean number of miles she rode is 30, find the number of miles she rode in Week 3.Week 1 21Week 2 34Week 3?Week 4 25Week 5 37Week 6 22

This table shows the number of miles that Sharon rode her bicycle in six weeks. If the mean number of miles she rode is 30, find the number of miles she rode in Week 3.

Week 1 21

Week 2 34

Week 3?

Week 4 25

Week 5 37

Week 6 22