PSLE A shop had a number of television sets for sale. After selling 15 of them in the morning and
712 of the remainder in the afternoon, it was left with
13 of the television sets. How many television sets were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
15 |
7x1 |
5x1 |
2x5 |
1x5 |
3 u |
7 u |
5 u |
Fraction of the remainder left
= 1 -
712 =
512 5x112x1 Remainder =
1x53x5 Total
512 Remainder =
515 Total
Number of television sets sold in the morning
= 10 u - 7 u
= 3 u
3 u = 15
1 u = 15 ÷ 3 = 5
Total number of television sets sold
= 10 u
= 10 x 5
= 50
Answer(s): 50