>

## Tuesday, June 23, 2015

### P5 whole numbers (for Jesslyn Ho)

> Alan and Belinda had 540 cards at first . After alan sold 80 cards and Belinda bought 20 more cards , each of them had the same number of cards left .How many cards did Alan have at first?

### P6 volume, rate (fr. S.Un)

Q1.
Faith has 2 tanks, A and B of different capacities. If Tank A is filled by a tap at a rate of 3 litres per minute and tank B is filled by a tap at a rate of 5 litres per minute, when tank A is completely filled, 5 litres of water flowed out from tank B.

Q2.
If Tank A is filled by a tap at a rate of 4 litres per minute and tank B is filled by a tap at a rate of 3 litres per minute, when tank A is completely filled with water, tank B is only half-filled. What is the capacity of tank B?

## Wednesday, June 3, 2015

### P5 percentage (Fr ranice)

*12.Some buttons,paper clips and pens were in a box.For every 4 buttons,there were 3 paper clips.For every 5 pens,there were 4 paper clips.
(a)Find the ratio of the number of buttons to paper clips to pens.
(b)If 140 buttons were sold,25% of the remaining items in the box were buttons.How many paper clips were in the box?