PSLE A shop had a number of massage chairs for sale. After selling 10 of them in the morning and
17 of the remainder in the afternoon, it was left with
12 of the massage chairs. How many massage chairs were left?
Morning |
Remainder |
|
Afternoon |
Left |
10 |
1x1 |
6x1 |
1x6 |
1x6 |
5 u |
1 u |
6 u |
Fraction of the remainder left
= 1 -
17 =
67 6x17x1 Remainder =
1x62x6 Total
67 Remainder =
612 Total
Number of massage chairs sold in the morning
= 6 u - 1 u
= 5 u
5 u = 10
1 u = 10 ÷ 5 = 2
Number of massage chairs left
= 6 u
= 6 x 2
= 12
Answer(s): 12