The graph shows the number of glowsticks sold in 5 days. Study the graph carefully and use it to answer the following questions.
- 145 glowsticks were sold from Monday to Friday. How many glowsticks were sold on Tuesday?
- The number of glowsticks sold on Saturday was twice the number sold on Friday. How many glowsticks were sold on Saturday?
(a)
Number of glowsticks sold on Tuesday
= 145 - 5 - 40 - 20 - 15
= 65
(b)
Number of glowsticks sold on Friday = 15
Number of glowsticks sold on Saturday
= 2 x 15
= 30
Answer(s): (a) 65 ; (b) 30