PSLE A shop had a number of projectors for sale. After selling 208 of them in the morning and
29 of the remainder in the afternoon, it was left with
15 of the projectors. How many projectors were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
208 |
2x1 |
7x1 |
4x7 |
1x7 |
26 u |
2 u |
7 u |
Fraction of the remainder left
= 1 -
29 =
79 7x19x1 Remainder =
1x75x7 Total
79 Remainder =
735 Total
Number of projectors sold in the morning
= 28 u - 2 u
= 26 u
26 u = 208
1 u = 208 ÷ 26 = 8
Total number of projectors sold
= 28 u
= 28 x 8
= 224
Answer(s): 224