Chapter 13

Increase

100

Increase 2% in total percentages

102%

200

Increase 27% in total decimals

1,27

300

A radio is priced at $120. What is the selling price if 15% value add tax is charged?

$138

400

In a restaurant a service charge of 10% is add to the price of the meal. What will be the total bill, when service charge is added, for meal costing $78?

$85,8

500

Last year at Southfield High School, 150 students passed their maths exam. This year there was a 4% increase in passes. How many students passed their maths exam this year?

156

Decrease

100

Decrease 27% in total percentages

73%

200

Decrease 53% total in decimals

0,47

300

Anne bought one T-shirt that was priced at IDR 300.000. She got 15% discount for that T-shirt. How much did she have to pay?

IDR 255.000

400

The insurance premium on Mr Fitri's car normally costs $380. With a no-claims discount the premium is reduced by 25%. What is his reduced premium?

$285

500

A runner has a mass of 60 kg at the start of a marathon. During the race his body mass is reduced by 4%. What is his body mass at the end of the race?

57,6 kg

Fraction

100

2/3 as percentage

200/3 %

200

4/5 as decimal

0,8

300

7/3 as mixed fractions

2 1/3

400

1/3 + 4/5

17/15

500

25/4 x 3/6

25/8

Decimal

100

0,5 as fraction

1/2

200

7,83 as percentage

783%

300

2,3 + 4,6

6,9

400

7,8 - 4

3,8

500

3,4 x 2,9

9,86

Percentage

100

1% as fraction

1/100

200

25% as decimal

0,25

300

25% + 9% - 7%

27%

400

4% x 3% as fraction

3/2500

500

10% : 2% as integer number

5