PSLE A shop had a number of mobile phones for sale. After selling 189 of them in the morning and
49 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 |
189 |
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 mobile phones sold in the morning
= 25 u - 4 u
= 21 u
21 u = 189
1 u = 189 ÷ 21 = 9
Total number of mobile phones sold
= 25 u
= 25 x 9
= 225
Answer(s): 225