PSLE A shop had a number of printers for sale. After selling 20 of them in the morning and
711 of the remainder in the afternoon, it was left with
14 of the printers. How many printers were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
20 |
7x1 |
4x1 |
3x4 |
1x4 |
5 u |
7 u |
4 u |
Fraction of the remainder left
= 1 -
711 =
411 4x111x1 Remainder =
1x44x4 Total
411 Remainder =
416 Total
Number of printers sold in the morning
= 12 u - 7 u
= 5 u
5 u = 20
1 u = 20 ÷ 5 = 4
Total number of printers sold
= 12 u
= 12 x 4
= 48
Answer(s): 48