PSLE A shop had a number of projectors for sale. After selling 88 of them in the morning and
110 of the remainder in the afternoon, it was left with
12 of the projectors. How many projectors were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
88 |
1x1 |
9x1 |
1x9 |
1x9 |
8 u |
1 u |
9 u |
Fraction of the remainder left
= 1 -
110 =
910 9x110x1 Remainder =
1x92x9 Total
910 Remainder =
918 Total
Number of projectors sold in the morning
= 9 u - 1 u
= 8 u
8 u = 88
1 u = 88 ÷ 8 = 11
Total number of projectors sold
= 9 u
= 9 x 11
= 99
Answer(s): 99