PSLE A shop had a number of computers for sale. After selling 72 of them in the morning and
14 of the remainder in the afternoon, it was left with
14 of the computers. How many computers were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
72 |
1x1 |
3x1 |
3x3 |
1x3 |
8 u |
1 u |
3 u |
Fraction of the remainder left
= 1 -
14 =
34 3x14x1 Remainder =
1x34x3 Total
34 Remainder =
312 Total
Number of computers sold in the morning
= 9 u - 1 u
= 8 u
8 u = 72
1 u = 72 ÷ 8 = 9
Number of computers sold in the afternoon
= 1 u
= 1 x 9
= 9
Answer(s): 9