PSLE A shop had a number of massage chairs for sale. After selling 39 of them in the morning and
311 of the remainder in the afternoon, it was left with
13 of the massage chairs. How many massage chairs were left?
Morning |
Remainder |
|
Afternoon |
Left |
39 |
3x1 |
8x1 |
2x8 |
1x8 |
13 u |
3 u |
8 u |
Fraction of the remainder left
= 1 -
311 =
811 8x111x1 Remainder =
1x83x8 Total
811 Remainder =
824 Total
Number of massage chairs sold in the morning
= 16 u - 3 u
= 13 u
13 u = 39
1 u = 39 ÷ 13 = 3
Number of massage chairs left
= 8 u
= 8 x 3
= 24
Answer(s): 24