Ratios/Rates
In a drawing, there are three circles, four stars, and three triangles. What is the ratio of stars to the total number of shapes?
4/10 -> 2/5
Find the missing number in the proportion:
5/8 = ?/48
30
A coat is discounted 60% off its regular price. What fraction AND decimal is equivalent to 60%?
Fraction - 60/100 or 6/10 or 3/5
Decimal - .60
What is 40% of 150?
60
Andres used 3 pears and 9 apples to make a fruit salad. What ratio represents the number of pears to the number of apples in the fruit salad?
3:9 or 1:3
Ari can walk 2 miles in 40 min. What is the amount of time it will take him to walk 4 miles?
80 minutes
Five shovels of sand are mixed with 4 shovels of gravel to make cement. What is the number of shovels of gravel needed for 45 shovels of sand?
36?
Write 6/100 as a percent.
6%
What is 50% of 240?
120
Maria uses 2 cups of flour to make 12 sugar cookies. She needs to make a batch of 48 sugar cookies. How many cups of flour will Maria need?
8 cups of flour
Paul used 6 black tiles and 12 white tiles for a pattern. What is the ratio of black tiles to white tiles?
6:12 or 1:2?
Thirty buses can carry 1500 people. What is the number of people that can be carried by 5 buses?
250 people
Write .87 as a percent and as a fraction.
Percent - 87%
Fraction - 87/100
What is 30% of 90?
Xavier determined that 8% of the sixth grade students in his school wear glasses. There are 300 students in the sixth grade. How many students in sixth grade wear glasses?
24
A window washer cleaned 38 windows in 2 hours. At this rate, how many windows did he clean in 6 hours?
114 windows.
Ivy's Fresh Eggs transports its eggs in crates. It takes 2 trucks to carry 80 crates. What is the number of crates that 8 trucks can carry?
320 crates
Write 20% as a fraction and a decimal.
Fraction - 20/100 or 1/5
Decimal - .20
What is 25% of 48?
12
Sarah got a 80% on her last quiz. If there were 20 questions altogether on the quiz, how many questions did she get right?
16 questions
An airplane travels 4,400 miles in 8 hours. Write the unit rate for the relationship between distance traveled and time.
550 miles per one hour
What is the missing number in the proportion: 2/3 = ?/36
24
Write 74/100 as a decimal and percent.
Decimal - .74
Percent - 74%
What is 60% of 80?
48
Brian bought shoes from the store. The original price was $200. What is the new price if he used a 30% off coupon?
*2 steps!!
$140