PSLE A shop had a number of laptops for sale. After selling 15 of them in the morning and
13 of the remainder in the afternoon, it was left with
14 of the laptops. How many laptops were left?
Morning |
Remainder |
|
Afternoon |
Left |
15 |
1x1 |
2x1 |
3x2 |
1x2 |
5 u |
1 u |
2 u |
Fraction of the remainder left
= 1 -
13 =
23 2x13x1 Remainder =
1x24x2 Total
23 Remainder =
28 Total
Number of laptops sold in the morning
= 6 u - 1 u
= 5 u
5 u = 15
1 u = 15 ÷ 5 = 3
Number of laptops left
= 2 u
= 2 x 3
= 6
Answer(s): 6