PSLE A shop had a number of hard drives for sale. After selling 45 of them in the morning and
611 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 |
45 |
6x1 |
5x1 |
3x5 |
1x5 |
9 u |
6 u |
5 u |
Fraction of the remainder left
= 1 -
611 =
511 5x111x1 Remainder =
1x54x5 Total
511 Remainder =
520 Total
Number of hard drives sold in the morning
= 15 u - 6 u
= 9 u
9 u = 45
1 u = 45 ÷ 9 = 5
Total number of hard drives sold
= 15 u
= 15 x 5
= 75
Answer(s): 75