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 = 190
Number of puffs sold on Tuesday = 120
Number of puffs sold on Wednesday = 60
Number of puffs sold on Thursday = 10
Number of puffs sold on Friday = 150
Number of puffs sold on Saturday = 20
Number of puffs sold on Sunday = 70
Number of more puffs sold on Monday than on Tuesday
= 190 - 120
= 70
(b)
Number of puffs sold on Saturday = 20
Number of puffs sold in a day to be thrice as many as the number of puffs sold on Saturday
= 3 x 20
= 60
On Wednesday, the number of puffs sold was thrice as many as the number of puffs sold on Saturday.
Answer(s): (a) 70; (b) Wed