PSLE A shop had a number of hard drives for sale. After selling 294 of them in the morning and
111 of the remainder in the afternoon, it was left with
16 of the hard drives. How many hard drives were left?
Morning |
Remainder |
|
Afternoon |
Left |
294 |
1x1 |
10x1 |
5x10 |
1x10 |
49 u |
1 u |
10 u |
Fraction of the remainder left
= 1 -
111 =
1011 10x111x1 Remainder =
1x106x10 Total
1011 Remainder =
1060 Total
Number of hard drives sold in the morning
= 50 u - 1 u
= 49 u
49 u = 294
1 u = 294 ÷ 49 = 6
Number of hard drives left
= 10 u
= 10 x 6
= 60
Answer(s): 60