PSLE A shop had a number of projectors for sale. After selling 203 of them in the morning and
311 of the remainder in the afternoon, it was left with
15 of the projectors. How many projectors were left?
Morning |
Remainder |
|
Afternoon |
Left |
203 |
3x1 |
8x1 |
4x8 |
1x8 |
29 u |
3 u |
8 u |
Fraction of the remainder left
= 1 -
311 =
811 8x111x1 Remainder =
1x85x8 Total
811 Remainder =
840 Total
Number of projectors sold in the morning
= 32 u - 3 u
= 29 u
29 u = 203
1 u = 203 ÷ 29 = 7
Number of projectors left
= 8 u
= 8 x 7
= 56
Answer(s): 56