PSLE A company offered 200 juicers at 10% discount during a 7-day sale. The line graph shows the number of juicers left unsold at the end of each day.
- On which day was the most number of juicers sold? Give your answer in this format. (Eg Day 1)
- What percentage of the 200 juicers were sold in the first four days of the sale?
- During the sale, the discounted price of the juicers was $54. After the sale, the remaining juicers were sold without discount. What was the total amount of money collected from selling all 200 juicers?
(a)
The steepest line is from Day 2 to Day 3.
On Day 3, the most number of juicers was sold.
(b)
Number of juicers that were left at Day 4 = 110
Number of juicers that were sold for the first four days
= 200 - 110
= 90
Percentage of juicers that were sold for the first four days
=
90200 x 100%
= 45%
(c)
Number of juicers that were left at the end of the sale = 60
Number of juicers that were sold during the sale
= 200 - 60
= 140
Total amount that collected from the juicers sold
= 140 x 54
= $7560
Price of each juicer after 10% discount
= 100% - 10%
= 90%
90% of the price = 54
1% of the price = 54 ÷ 90 = 0.6
100% of the price = 100 x 0.6 = 60
Amount collected from selling the remaining juicers
= 60 x 60
= $3600
Total amount collected from selling all the 200 juicers
= 7560 + 3600
= $11160
Answer(s): (a) Day 3; (b) 45%; (c) $11160