PSLE A shop had a number of computers for sale. After selling 270 of them in the morning and
112 of the remainder in the afternoon, it was left with
16 of the computers. How many computers were left?
Morning |
Remainder |
|
Afternoon |
Left |
270 |
1x1 |
11x1 |
5x11 |
1x11 |
54 u |
1 u |
11 u |
Fraction of the remainder left
= 1 -
112 =
1112 11x112x1 Remainder =
1x116x11 Total
1112 Remainder =
1166 Total
Number of computers sold in the morning
= 55 u - 1 u
= 54 u
54 u = 270
1 u = 270 ÷ 54 = 5
Number of computers left
= 11 u
= 11 x 5
= 55
Answer(s): 55