The line graph shows the number of puffs sold in a week.
- How many more puffs were sold on Saturday than on Thursday?
- On which day was the number of puffs sold thrice as many as the number of puffs sold on Monday? Give your answer in this format. (Eg Mon)
(a)
Number of puffs sold on Monday = 80
Number of puffs sold on Tuesday = 50
Number of puffs sold on Wednesday = 10
Number of puffs sold on Thursday = 160
Number of puffs sold on Friday = 240
Number of puffs sold on Saturday = 180
Number of puffs sold on Sunday = 190
Number of more puffs sold on Saturday than on Thursday
= 180 - 160
= 20
(b)
Number of puffs sold on Monday = 80
Number of puffs sold in a day to be thrice as many as the number of puffs sold on Monday
= 3 x 80
= 240
On Friday, the number of puffs sold was thrice as many as the number of puffs sold on Monday.
Answer(s): (a) 20; (b) Fri