PSLE A shop had a number of computers for sale. After selling 35 of them in the morning and
58 of the remainder in the afternoon, it was left with
15 of the computers. How many computers were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
35 |
5x1 |
3x1 |
4x3 |
1x3 |
7 u |
5 u |
3 u |
Fraction of the remainder left
= 1 -
58 =
38 3x18x1 Remainder =
1x35x3 Total
38 Remainder =
315 Total
Number of computers sold in the morning
= 12 u - 5 u
= 7 u
7 u = 35
1 u = 35 ÷ 7 = 5
Total number of computers sold
= 12 u
= 12 x 5
= 60
Answer(s): 60