Percentage
Profit/Loss
Ratio
Decimals
Fractions
100

30% of 75

22.5

100

A pen costs $50 and is sold at a 10% profit. What is the selling price?

$55

100

I have $120 and my brother has $240. What is the ratio of my money to that of my brother's?

1:2

100

What is the value of 3 in 82.093?

Thousandths

100

Divide 2 3/4 by 1 1/2

1 5/6

200

There are 200 patrions at a party. If 40 of them are to leave, what percentage will remain?

80%

200
An article which costs $200 is sold at a profit of 12%. What is the selling price?

$224

200

25 cents to 45 cents

5:9

200

Change 75/1000 into a decimal.

0.075

200

7/8 ÷  1/2

 1 3/4

300

In an examination, the total mark is 900. If a boy obtains 630 marks, what percentage is this?

70%

300

A toy cost $60 and is sold at a profit of 7 ½%. What is the selling price?

$64.50

300

24 cm to 72 cm

1:3

300

Change 0.061 into a fraction

61/1000

300

A dress requires 2 1/2 metres of cloth. How many dresses can be made from a piece of cloth 13 3/4 metres long?

5 1/2

400

A certain soap has increased by 15%. The original price was $80. What is the new price?

$98.75

400
A shopkeeper bought a bag for $400 and sold it for $460. What is the profit percentage?


15%

400

Increase $180 in the ratio 5:3

$300

400

0.078x8

0.624

400

A room is 4 1/3 m long and 3 1/3 wide. What fraction of the length is its width?

10/13

750

10% of X is 210. What is 35% of X?

735

750

A shopkeeper wants to make a profit of $800 or 20% of the selling price of a certain watch. Find the selling price of this watch.

$4000

750

A class spends 15 hours a week on mathematics, science and English. If the time spent on the subjects is in the proportion 4:3:3, how many hours are spent on each subject?

  • Mathematics: 6 hours

  • Science: 4.5 hours

  • English: 4.5 hours

750

Find the cost of 3 1/2 dozen green bananas at $15 each.

$630

750

1/3 x 2 1/2 ÷  1 1/4

2/3

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