PSLE A shop had a number of computers for sale. After selling 225 of them in the morning and
511 of the remainder in the afternoon, it was left with
16 of the computers. How many computers were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
225 |
5x1 |
6x1 |
5x6 |
1x6 |
25 u |
5 u |
6 u |
Fraction of the remainder left
= 1 -
511 =
611 6x111x1 Remainder =
1x66x6 Total
611 Remainder =
636 Total
Number of computers sold in the morning
= 30 u - 5 u
= 25 u
25 u = 225
1 u = 225 ÷ 25 = 9
Total number of computers sold
= 30 u
= 30 x 9
= 270
Answer(s): 270