PSLE A shop had a number of laptops for sale. After selling 63 of them in the morning and
811 of the remainder in the afternoon, it was left with
16 of the laptops. How many laptops were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
63 |
8x1 |
3x1 |
5x3 |
1x3 |
7 u |
8 u |
3 u |
Fraction of the remainder left
= 1 -
811 =
311 3x111x1 Remainder =
1x36x3 Total
311 Remainder =
318 Total
Number of laptops sold in the morning
= 15 u - 8 u
= 7 u
7 u = 63
1 u = 63 ÷ 7 = 9
Number of laptops sold in the afternoon
= 8 u
= 8 x 9
= 72
Answer(s): 72