PSLE A shop had a number of hard drives for sale. After selling 228 of them in the morning and
611 of the remainder in the afternoon, it was left with
16 of the hard drives. How many hard drives were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
228 |
6x1 |
5x1 |
5x5 |
1x5 |
19 u |
6 u |
5 u |
Fraction of the remainder left
= 1 -
611 =
511 5x111x1 Remainder =
1x56x5 Total
511 Remainder =
530 Total
Number of hard drives sold in the morning
= 25 u - 6 u
= 19 u
19 u = 228
1 u = 228 ÷ 19 = 12
Total number of hard drives sold
= 25 u
= 25 x 12
= 300
Answer(s): 300