PSLE A company offered $(dn0) 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 80 juicers were sold in the first six days of the sale?
- During the sale, the discounted price of the juicers was $45. After the sale, the remaining juicers were sold without discount. What was the total amount of money collected from selling all 80 juicers?
(a)
Steepest line is from Day 3 to Day 4.
On Da
y 4, the most number of juicers was sold. (b) Number of juicers that were left at Day 6 = 20 Number of juicers that were sold for the first six days = 80 - 20 = 60 Percentage of juicers that were sold for the first six days = 6080 x 100% = 75%
(c)
Number of juicers that were left at the end of the sale = 10
Number of juicers that were sold during the sale
= 80 - 10
= 70
Total amount that collected from the juicers sold
= 70 x 45
= $3150
Price of each juicer after 10% discount
= 100% - 10%
= 90%
90% of the price = 45
1% of the price = 45 ÷ 90 = 0.5
100% of the price = 100 x 0.5 = 50
Amount collected from selling the remaining juicers
= 10 x 50
= $500
Total amount collected from selling all the 80 juicers
= 3150 + 500
= $3650
Answer(s): (a) Day 4; (b) 75%; (c) $3650