PSLE A shop had a number of television sets for sale. After selling 50 of them in the morning and
112 of the remainder in the afternoon, it was left with
12 of the television sets. How many television sets were left?
Morning |
Remainder |
|
Afternoon |
Left |
50 |
1x1 |
11x1 |
1x11 |
1x11 |
10 u |
1 u |
11 u |
Fraction of the remainder left
= 1 -
112 =
1112 11x112x1 Remainder =
1x112x11 Total
1112 Remainder =
1122 Total
Number of television sets sold in the morning
= 11 u - 1 u
= 10 u
10 u = 50
1 u = 50 ÷ 10 = 5
Number of television sets left
= 11 u
= 11 x 5
= 55
Answer(s): 55