PSLE A shop had a number of projectors for sale. After selling 8 of them in the morning and
14 of the remainder in the afternoon, it was left with
12 of the projectors. How many projectors were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
8 |
1x1 |
3x1 |
1x3 |
1x3 |
2 u |
1 u |
3 u |
Fraction of the remainder left
= 1 -
14 =
34 3x14x1 Remainder =
1x32x3 Total
34 Remainder =
36 Total
Number of projectors sold in the morning
= 3 u - 1 u
= 2 u
2 u = 8
1 u = 8 ÷ 2 = 4
Total number of projectors sold
= 3 u
= 3 x 4
= 12
Answer(s): 12