Ratio and Rates
Express each ratio as a fraction in simplest form.
4 goals in 10 attempts
What is 2/5
Determine whether the set of numbers in the table are proportional.
Junk email 10 20 30 40
Total E-mails. 15 30 45 60
What is yes
Solve the proportion.
n/20 = 15/50
What is 6
Express the decimal as a percent.
0.35
What is 35%
Express each percent as a fraction or mixed number in simplest form and as a decimal.
150%
What is 1 1/2; 1.5
Express each ratio as a fraction in simplest form.
15 dimes out of 24 coins
What is 5/8
Solve the proportion.
3/2.2 = 7.5/y
What is 5.5
Express the percent as a fraction in simplest form.
83 1/3%
What is 5/6
Express each percent as a fraction or mixed number in simplest form and as a decimal.
223%
What is 2 23/100; 2.23
Express the rate $3.29 for 12 cans of soda as a unit rate. Round to the nearest cent.
What is $0.27 per can
Alonso is redecorating his bedroom, which is 20 feet long and 12 feet wide. Make a scale drawing of the room. Use a scale of 1/4 inch = 4 feet
Find the measure of the bedroom's length on the drawing. let x represent the length.
What is x = 1.25
Express the percent as a fraction in simplest form.
45%
What is 9/20
The Arctic Ocean contains 3.7% of the world's water. What fraction is this?
What is 37/1000
Determine which is less expensive per ounce, 16 ounce of swiss cheese for $2.75 or 24 ounces of cheddar cheese for $3.25.
Explain
What is the swiss cheese cost $0.17 per ounce. The cheddar cheese cost $0.14 per ounce. So, the cheddar cheese is less expensive.
Alonso is redecorating his bedroom, which is 20 feet long and 12 feet wide. Make a scale drawing of the room. Use a scale of 1/4 inch = 4 feet
Find the measure of the bedroom's width on the drawing. Let w represent the width.
What is 0.75 = w
Express the fraction as a percent
2/3
What is 0.6666666 = 66.7%
Forty-six percent of the world's water is in the Pacific Ocean. What percent is this?
What is 23/50
Suppose it cost $45 to attend a concert where the band plays for 1.5 hours.
a. what was the cost to attend the concert per hour?
b. what was the cost to attend the concert per minute?
What is
a. $30 per hour
b. $0.50 per minute
In as illustration of a honeybee, the length of the bee is 4.8 centimeters. The actual size of the honeybee is 1.2 centimeters. What is the scale of the drawing?
What is 1 cm = 0.25scm
Express the fraction as a percent
17/11
What is 154.5%
Express each decimal or fraction as a percent. Round to the nearest tenth, if necessary.
0.09
What is 9%