PSLE A company offered 90 muffin makers at 10% discount during a 7-day sale. The line graph shows the number of muffin makers left unsold at the end of each day.
- On which day was the most number of muffin makers sold? Give your answer in this format. (Eg Day 1)
- What percentage of the 90 muffin makers were sold in the first five days of the sale?
- During the sale, the discounted price of the muffin makers was $135. After the sale, the remaining muffin makers were sold without discount. What was the total amount of money collected from selling all 90 muffin makers?
(a)
The steepest line is from Day 1 to Day 2.
On Day
2, the most number of muffin makers was sold.
(b)
Number of muffin makers that were left at Day
5 = 45 Number of muffin makers that were sold for the first five days = 90 - 45 = 45 Percentage of muffin makers that were sold for the first five days
=
4590 x 100%
= 50%
(c)
Number of muffin makers that were left at the end of the sale = 25
Number of muffin makers that were sold during the sale
= 90 - 25
= 65
Total amount that collected from the muffin makers sold
= 65 x 135
= $8775
Price of each muffin maker after 10% discount
= 100% - 10%
= 90%
90% of the price = 135
1% of the price = 135 ÷ 90 = 1.5
100% of the price = 100 x 1.5 = 150
Amount collected from selling the remaining muffin makers
= 25 x 150
= $3750
Total amount collected from selling all the 90 muffin makers
= 8775 + 3750
= $12525
Answer(s): (a) Day
2; (b) 50%; (c) $12525