PSLE A shop had a number of massage chairs for sale. After selling 77 of them in the morning and
59 of the remainder in the afternoon, it was left with
15 of the massage chairs. How many massage chairs were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
77 |
5x1 |
4x1 |
4x4 |
1x4 |
11 u |
5 u |
4 u |
Fraction of the remainder left
= 1 -
59 =
49 4x19x1 Remainder =
1x45x4 Total
49 Remainder =
420 Total
Number of massage chairs sold in the morning
= 16 u - 5 u
= 11 u
11 u = 77
1 u = 77 ÷ 11 = 7
Number of massage chairs sold in the afternoon
= 5 u
= 5 x 7
= 35
Answer(s): 35