PSLE A shop had a number of laptops for sale. After selling 192 of them in the morning and
49 of the remainder in the afternoon, it was left with
15 of the laptops. How many laptops were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
192 |
4x1 |
5x1 |
4x5 |
1x5 |
16 u |
4 u |
5 u |
Fraction of the remainder left
= 1 -
49 =
59 5x19x1 Remainder =
1x55x5 Total
59 Remainder =
525 Total
Number of laptops sold in the morning
= 20 u - 4 u
= 16 u
16 u = 192
1 u = 192 ÷ 16 = 12
Total number of laptops sold
= 20 u
= 20 x 12
= 240
Answer(s): 240