The graph shows the number of mini-helicopters sold in 5 days. Study the graph carefully and use it to answer the following questions.
- 180 mini-helicopters were sold from Monday to Friday. How many mini-helicopters were sold on Tuesday?
- The number of mini-helicopters sold on Sunday was twice the number sold on Friday. How many mini-helicopters were sold on Sunday?
(a)
Number of mini-helicopters sold on Tuesday
= 180 - 45 - 35 - 10 - 45
= 45
(b)
Number of mini-helicopters sold on Friday = 45
Number of mini-helicopters sold on Sunday
= 2 x 45
= 90
Answer(s): (a) 45 ; (b) 90