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 thrice 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 = 130
Number of puffs sold on Tuesday = 90
Number of puffs sold on Wednesday = 240
Number of puffs sold on Thursday = 100
Number of puffs sold on Friday = 200
Number of puffs sold on Saturday = 80
Number of puffs sold on Sunday = 20
Number of more puffs sold on Monday than on Tuesday
= 130 - 90
= 40
(b)
Number of puffs sold on Saturday = 80
Number of puffs sold in a day to be thrice as many as the number of puffs sold on Saturday
= 3 x 80
= 240
On Wednesday, the number of puffs sold was thrice as many as the number of puffs sold on Saturday.
Answer(s): (a) 40; (b) Wed