PSLE A shop had a number of projectors for sale. After selling 220 of them in the morning and
38 of the remainder in the afternoon, it was left with
16 of the projectors. How many projectors were left?
Morning |
Remainder |
|
Afternoon |
Left |
220 |
3x1 |
5x1 |
5x5 |
1x5 |
22 u |
3 u |
5 u |
Fraction of the remainder left
= 1 -
38 =
58 5x18x1 Remainder =
1x56x5 Total
58 Remainder =
530 Total
Number of projectors sold in the morning
= 25 u - 3 u
= 22 u
22 u = 220
1 u = 220 ÷ 22 = 10
Number of projectors left
= 5 u
= 5 x 10
= 50
Answer(s): 50