PSLE A shop had a number of printers for sale. After selling 129 of them in the morning and
211 of the remainder in the afternoon, it was left with
16 of the printers. How many printers were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
129 |
2x1 |
9x1 |
5x9 |
1x9 |
43 u |
2 u |
9 u |
Fraction of the remainder left
= 1 -
211 =
911 9x111x1 Remainder =
1x96x9 Total
911 Remainder =
954 Total
Number of printers sold in the morning
= 45 u - 2 u
= 43 u
43 u = 129
1 u = 129 ÷ 43 = 3
Number of printers sold in the afternoon
= 2 u
= 2 x 3
= 6
Answer(s): 6