PSLE A shop had a number of printers for sale. After selling 10 of them in the morning and
14 of the remainder in the afternoon, it was left with
13 of the printers. How many printers were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
10 |
1x1 |
3x1 |
2x3 |
1x3 |
5 u |
1 u |
3 u |
Fraction of the remainder left
= 1 -
14 =
34 3x14x1 Remainder =
1x33x3 Total
34 Remainder =
39 Total
Number of printers sold in the morning
= 6 u - 1 u
= 5 u
5 u = 10
1 u = 10 ÷ 5 = 2
Total number of printers sold
= 6 u
= 6 x 2
= 12
Answer(s): 12