PSLE A shop had a number of computers for sale. After selling 63 of them in the morning and
49 of the remainder in the afternoon, it was left with
16 of the computers. How many computers were left?
Morning |
Remainder |
|
Afternoon |
Left |
63 |
4x1 |
5x1 |
5x5 |
1x5 |
21 u |
4 u |
5 u |
Fraction of the remainder left
= 1 -
49 =
59 5x19x1 Remainder =
1x56x5 Total
59 Remainder =
530 Total
Number of computers sold in the morning
= 25 u - 4 u
= 21 u
21 u = 63
1 u = 63 ÷ 21 = 3
Number of computers left
= 5 u
= 5 x 3
= 15
Answer(s): 15