Enter Title

Ratios

100

Simplify the following:

18:27

2:3

200

Simplify the following: 

1 1/2 : 4 1/2

1:3

300

Simplify the following:

80 cents : $2.00

2:5

400

Simplify the following:

1 1/3 hours: 20 min

4:1

500

If 2x=5y, Find x:y

5:2

Converting units

100

Convert the following to mph:

(1 km = 0.62 mi)

24 km/hr

14.88 mph

200

Convert the following into mph:

(1 km = 0.62 mi)

126 km/hr

78.12 mph

300

Convert the following into m/s:

24 km/hr

6.67 m/s 

or 6 2/3 m/s

400

Convert the following into m/s:

126 km/hr

35 m/s

Percentages and fractions

100

Convert into a percentage:

5/6

83 1/3 %

or 83.3%

200

Convert the following into a percent:

0.032

3.2%

300

Convert the following into a percent:

2 3/40

207 1/2 %

or 207.5%

400

Express the following as a fraction:

4 2/3 %

7/150

500

Express the following as a fraction:

109 5/11 %

301/275

or 1 26/275

Percentages and decimals

100

Express the following as a decimal:

3%

0.03

200

Express the following as a decimal:

46%

0.46

300

Express the following as a decimal:

648%

6.48

400

Find the unknown quantity:

30% of b is 18

b=60

500

37.5% of $A is $108

$A = $288

Percentage increase and decrease

100

Mrs. Lee's monthly expenses increased from $3,200 to $3,400. Find the percentage increase in her expenses.

6.25%

200

The water level in a tank decreased from 30 inches to 25.5 inches. Find the percentage decrease in the water level.

15%

300

During a sale, a watch was sold for $784. If the marked price of the watch is $980, find the percentage discount.

20%

400

A hairdresser charges $20 for a haircut excluding sales tax. If the tax rate is 7%

(a) how much is the sales tax?

(b) how much does a customer have to pay inclusive of sales tax?

(a) $1.40

(b) $21.40