The graph shows the number of glowsticks sold in 5 days. Study graph carefully and use it to answer the following questions.
- 440 glowsticks were sold from Monday to Friday. How many glowsticks were sold on Friday?
- The number of glowsticks sold on Saturday was thrice the number sold on Monday. How many glowsticks were sold on Saturday?
(a)
Number of glowsticks sold on Friday
= 440 - 40 - 140 - 20 - 40
= 200
(b)
Number of glowsticks sold on Monday
= 40
Number of glowsticks sold on Saturday
= 3 x 40
= 120
Answer(s): (a) 200 ; (b) 120