The line graph shows the number of puffs sold in a week.
- How many more puffs were sold on Wednesday than on Friday?
- On which day was the number of puffs sold thrice as many as the number of puffs sold on Thursday? Give your answer in this format. (Eg Mon)
(a)
Number of puffs sold on Monday = 100
Number of puffs sold on Tuesday = 40
Number of puffs sold on Wednesday = 130
Number of puffs sold on Thursday = 80
Number of puffs sold on Friday = 60
Number of puffs sold on Saturday = 50
Number of puffs sold on Sunday = 240
Number of more puffs sold on Wednesday than on Friday
= 130 - 60
= 70
(b)
Number of puffs sold on Thursday = 80
Number of puffs sold in a day to be thrice as many as the number of puffs sold on Thursday
= 3 x 80
= 240
On Sunday, the number of puffs sold was thrice as many as the number of puffs sold on Thursday.
Answer(s): (a) 70; (b) Sun