The graph shows the number of chicken wings sold by a canteen in a week.
- Which day showed a decrease in the number of chicken wings sold compared to the previous day? Give your answer in this format. (Eg Mon)
- Each chicken wing was sold at $8 each. How much money did the canteen earn from the total sales on Saturday and Sunday?
(a)
To find a decrease in a line graph, look for a decreasing slope.
The day that showed a decrease in the number of chicken wings sold compared to the previous day is Thursday (Thu).
(b)
Number of chicken wings sold on Saturday and Sunday
= 39 + 48
= 87
Total sales on Saturday and Sunday
= 87 x 8
= $696
Answer(s): (a) Thu; (b) $696