PSLE A shop had a number of projectors for sale. After selling 110 of them in the morning and
47 of the remainder in the afternoon, it was left with
16 of the projectors. How many projectors were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
110 |
4x1 |
3x1 |
5x3 |
1x3 |
11 u |
4 u |
3 u |
Fraction of the remainder left
= 1 -
47 =
37 3x17x1 Remainder =
1x36x3 Total
37 Remainder =
318 Total
Number of projectors sold in the morning
= 15 u - 4 u
= 11 u
11 u = 110
1 u = 110 ÷ 11 = 10
Total number of projectors sold
= 15 u
= 15 x 10
= 150
Answer(s): 150