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 four times 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 = 150
Number of puffs sold on Tuesday = 130
Number of puffs sold on Wednesday = 80
Number of puffs sold on Thursday = 120
Number of puffs sold on Friday = 160
Number of puffs sold on Saturday = 20
Number of puffs sold on Sunday = 70
Number of more puffs sold on Monday than on Tuesday
= 150 - 130
= 20
(b)
Number of puffs sold on Saturday = 20
Number of puffs sold in a day to be four times as many as the number of puffs sold on Saturday
= 4 x 20
= 80
On Wednesday, the number of puffs sold was four times as many as the number of puffs sold on Saturday.
Answer(s): (a) 20; (b) Wed