The graph shows the number of glowsticks sold in 5 days. Study the graph carefully and use it to answer the following questions.
- 350 glowsticks were sold from Monday to Friday. How many glowsticks were sold on Tuesday?
- The number of glowsticks sold on Sunday was four times the number sold on Friday. How many glowsticks were sold on Sunday?
(a)
Number of glowsticks sold on Tuesday
= 350 - 20 - 80 - 40 - 80
= 130
(b)
Number of glowsticks sold on Friday = 80
Number of glowsticks sold on Sunday
= 4 x 80
= 320
Answer(s): (a) 130 ; (b) 320