The graph shows the number of magazines borrowed by visitors at the local library on a Monday.
- How many visitors visited the local library that Monday?
- What was the average number of magazines borrowed by each visitor that Monday? Give your answer to the nearest whole number.
(a)
Total number of visitors
= 54 + 81 + 41 + 47 + 127
= 350
(b)
Total number of magazines borrowed
= 2 x 54 + 3 x 81 + 4 x 41 + 5 x 47 + 6 x 127
= 108 + 243 + 164 + 235 + 762
= 1512
Average number of magazines borrowed
= 1512 ÷ 350
= 4.32
≈ 4
Answer(s): (a) 350; (b) 4