PSLEFred had a number of necklaces for sale. He sold a total of 850 necklaces on Saturday and Sunday. On Monday, he sold
15 of the remainder. He was left with 12% of the necklaces he had at first. How many necklaces did he have at first?
Saturday |
Sunday |
Remainder |
850 |
Monday |
Left |
|
|
1 u |
4 u |
85%
|
3% |
12% |
Fraction of the remainder left
= 1 -
15 =
45Percent of total necklaces sold on Monday
= 12% ÷ 4
= 3%
Percent of total necklaces sold on Saturday and Sunday
= 100% - 12% - 3%
= 85%
85% = 850
1% = 850 ÷ 85 = 10
Total number of necklaces at first
= 100%
= 100 x 10
= 1000
Answer(s): 1000