PSLE A shop had a number of hard drives for sale. After selling 45 of them in the morning and
47 of the remainder in the afternoon, it was left with
14 of the hard drives. How many hard drives were left?
Morning |
Remainder |
|
Afternoon |
Left |
45 |
4x1 |
3x1 |
3x3 |
1x3 |
5 u |
4 u |
3 u |
Fraction of the remainder left
= 1 -
47 =
37 3x17x1 Remainder =
1x34x3 Total
37 Remainder =
312 Total
Number of hard drives sold in the morning
= 9 u - 4 u
= 5 u
5 u = 45
1 u = 45 ÷ 5 = 9
Number of hard drives left
= 3 u
= 3 x 9
= 27
Answer(s): 27