PSLE A shop had a number of computers for sale. After selling 8 of them in the morning and
25 of the remainder in the afternoon, it was left with
13 of the computers. How many computers were left?
Morning |
Remainder |
|
Afternoon |
Left |
8 |
2x1 |
3x1 |
2x3 |
1x3 |
4 u |
2 u |
3 u |
Fraction of the remainder left
= 1 -
25 =
35 3x15x1 Remainder =
1x33x3 Total
35 Remainder =
39 Total
Number of computers sold in the morning
= 6 u - 2 u
= 4 u
4 u = 8
1 u = 8 ÷ 4 = 2
Number of computers left
= 3 u
= 3 x 2
= 6
Answer(s): 6