PSLE The bar graph shows the number of visitors to a park from Monday to Friday last week.
- What was the average number of visitors from Monday to Friday last week?
- The average number of visitors on Saturday and Sunday was 200 more than the average number of visitors from Monday to Friday. If the number of visitors on Saturday was 125, how many visitors were there on Sunday?
(a)
Total number of visitors from Monday to Friday last week
= 115 + 160 + 50 + 180 + 195
= 700
Average number of visitors from Monday to Friday last week
= 700 ÷ 5
= 140
(b)
Average number of visitors on Saturday and Sunday
= 140 + 200
= 340
Total number of visitors on Saturday and Sunday
= 2 x 340
= 680
Number of visitors on Sunday
= 680 - 125
= 555
Answer(s): (a) 140; (b) 555