PSLE A shop had a number of television sets for sale. After selling 135 of them in the morning and
19 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 |
135 |
1x1 |
8x1 |
2x8 |
1x8 |
15 u |
1 u |
8 u |
Fraction of the remainder left
= 1 -
19 =
89 8x19x1 Remainder =
1x83x8 Total
89 Remainder =
824 Total
Number of television sets sold in the morning
= 16 u - 1 u
= 15 u
15 u = 135
1 u = 135 ÷ 15 = 9
Number of television sets sold in the afternoon
= 1 u
= 1 x 9
= 9
Answer(s): 9