The line graph shows the number of puffs sold in a week.
- How many more puffs were sold on Monday than on Tuesday?
- On which day was the number of puffs sold twice as many as the number of puffs sold on Saturday? Give your answer in this format. (Eg Mon)
(a)
Number of puffs sold on Monday = 170
Number of puffs sold on Tuesday = 110
Number of puffs sold on Wednesday = 20
Number of puffs sold on Thursday = 80
Number of puffs sold on Friday = 60
Number of puffs sold on Saturday = 10
Number of puffs sold on Sunday = 150
Number of more puffs sold on Monday than on Tuesday
= 170 - 110
= 60
(b)
Number of puffs sold on Saturday = 10
Number of puffs sold in a day to be twice as many as the number of puffs sold on Saturday
= 2 x 10
= 20
On Wednesday, the number of puffs sold was twice as many as the number of puffs sold on Saturday.
Answer(s): (a) 60; (b) Wed