PSLE A shop had a number of mobile phones for sale. After selling 34 of them in the morning and
37 of the remainder in the afternoon, it was left with
16 of the mobile phones. How many mobile phones were sold altogether?
Morning |
Remainder |
|
Afternoon |
Left |
34 |
3x1 |
4x1 |
5x4 |
1x4 |
17 u |
3 u |
4 u |
Fraction of the remainder left
= 1 -
37 =
47 4x17x1 Remainder =
1x46x4 Total
47 Remainder =
424 Total
Number of mobile phones sold in the morning
= 20 u - 3 u
= 17 u
17 u = 34
1 u = 34 ÷ 17 = 2
Total number of mobile phones sold
= 20 u
= 20 x 2
= 40
Answer(s): 40