PSLE A shop had a number of printers for sale. After selling 12 of them in the morning and
38 of the remainder in the afternoon, it was left with
12 of the printers. How many printers were left?
Morning |
Remainder |
|
Afternoon |
Left |
12 |
3x1 |
5x1 |
1x5 |
1x5 |
2 u |
3 u |
5 u |
Fraction of the remainder left
= 1 -
38 =
58 5x18x1 Remainder =
1x52x5 Total
58 Remainder =
510 Total
Number of printers sold in the morning
= 5 u - 3 u
= 2 u
2 u = 12
1 u = 12 ÷ 2 = 6
Number of printers left
= 5 u
= 5 x 6
= 30
Answer(s): 30