PSLE A shop had a number of mobile phones for sale. After selling 18 of them in the morning and
35 of the remainder in the afternoon, it was left with
14 of the mobile phones. How many mobile phones were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
18 |
3x1 |
2x1 |
3x2 |
1x2 |
3 u |
3 u |
2 u |
Fraction of the remainder left
= 1 -
35 =
25 2x15x1 Remainder =
1x24x2 Total
25 Remainder =
28 Total
Number of mobile phones sold in the morning
= 6 u - 3 u
= 3 u
3 u = 18
1 u = 18 ÷ 3 = 6
Number of mobile phones sold in the afternoon
= 3 u
= 3 x 6
= 18
Answer(s): 18