PSLE A shop had a number of laptops for sale. After selling 51 of them in the morning and
17 of the remainder in the afternoon, it was left with
14 of the laptops. How many laptops were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
51 |
1x1 |
6x1 |
3x6 |
1x6 |
17 u |
1 u |
6 u |
Fraction of the remainder left
= 1 -
17 =
67 6x17x1 Remainder =
1x64x6 Total
67 Remainder =
624 Total
Number of laptops sold in the morning
= 18 u - 1 u
= 17 u
17 u = 51
1 u = 51 ÷ 17 = 3
Number of laptops sold in the afternoon
= 1 u
= 1 x 3
= 3
Answer(s): 3