PSLE A shop had a number of hard drives for sale. After selling 24 of them in the morning and
38 of the remainder in the afternoon, it was left with
14 of the hard drives. How many hard drives were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
24 |
3x1 |
5x1 |
3x5 |
1x5 |
12 u |
3 u |
5 u |
Fraction of the remainder left
= 1 -
38 =
58 5x18x1 Remainder =
1x54x5 Total
58 Remainder =
520 Total
Number of hard drives sold in the morning
= 15 u - 3 u
= 12 u
12 u = 24
1 u = 24 ÷ 12 = 2
Number of hard drives sold in the afternoon
= 3 u
= 3 x 2
= 6
Answer(s): 6