PSLE A shop had a number of mobile phones for sale. After selling 14 of them in the morning and
511 of the remainder in the afternoon, it was left with
13 of the mobile phones. How many mobile phones were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
14 |
5x1 |
6x1 |
2x6 |
1x6 |
7 u |
5 u |
6 u |
Fraction of the remainder left
= 1 -
511 =
611 6x111x1 Remainder =
1x63x6 Total
611 Remainder =
618 Total
Number of mobile phones sold in the morning
= 12 u - 5 u
= 7 u
7 u = 14
1 u = 14 ÷ 7 = 2
Total number of mobile phones sold
= 12 u
= 12 x 2
= 24
Answer(s): 24