The graph shows the number of mini-helicopters sold in 5 days. Study the graph carefully and use it to answer the following questions.
- 330 mini-helicopters were sold from Monday to Friday. How many mini-helicopters were sold on Wednesday?
- The number of mini-helicopters sold on Sunday was twice the number sold on Thursday. How many mini-helicopters were sold on Sunday?
(a)
Number of mini-helicopters sold on Wednesday
= 330 - 50 - 20 - 90 - 40
= 130
(b)
Number of mini-helicopters sold on Thursday
= 90
Number of mini-helicopters sold on Sunday
= 2 x 90
= 180
Answer(s): (a) 130 ; (b) 180