PSLEJeremy had a number of necklaces for sale. He sold a total of 270 necklaces on Thursday and Friday. On Saturday, he sold
15 of the remainder. He was left with 8% of the necklaces he had at first. How many necklaces did he have at first?
Thursday |
Friday |
Remainder |
270 |
Saturday |
Left |
|
|
1 u |
4 u |
90%
|
2% |
8% |
Fraction of the remainder left
= 1 -
15 =
45Percent of total necklaces sold on Saturday
= 8% ÷ 4
= 2%
Percent of total necklaces sold on Thursday and Friday
= 100% - 8% - 2%
= 90%
90% = 270
1% = 270 ÷ 90 = 3
Total number of necklaces at first
= 100%
= 100 x 3
= 300
Answer(s): 300