Lisandra borrowed 5 CD's from William. William has a total of 135 CD's. Express the ratio of CD's that Lisandra borrowed to the total number of CD's that William owns.
What is 1/27
100
Do they form a proportion. 3/14, 9/42
What is Yes
100
3 gallons of paint cover 900 square feet. How many gallons will cover 300 square feet?
What is 1 gallon
100
Write the unit rate.
Sandra did 20 Soduko puzzles in 4 days.
What is 5 soduko puzzles per 1 day.
100
On the back board, look at problem A. Are the shapes similar?
What is yes.
200
Jose has 5 apples, Christian has 10 bananas, and Ernesto has 15 clementines. Express the ratio of the amount of fruit that Christian has to the total amount of fruit that all three boys have.
What is 1/3?
200
Do they form a proportion. 21/40, 3/5
What is No
200
A basketball player scores 162 points in 9 games. At this rate how many points will he score in 20 games?
What is 360 points.
200
Write the unit rate.
The car is going 382 miles per 4 hours. How many miles per hour is the car going?
What is 95.5 miles per 1 hour?
200
Look on the back board. Find the length of side y on the shapes from problem B.
What is 30?
300
At the Technology Convention there were 17 males for every 12 females.
Express the number of males to the total number of people present at the Technology Convention.
what is 17/29?
300
Solve for J
6/10 = J/45
What is 27
300
In Putnam middle school,12 out of 16 students are right handed. If there are 400 students in the school, how many are right handed?
What is 300.
300
Estimate the unit rate. 178 students in 7 classes.
What is 19 or 20?
300
Look on the back wall. Find the length of the side with the x on problem C.
What is 4?
400
Write as a ratio: 42 pairs of hi-tops out of 56 pairs of sneakers?
What is 3/4
400
Solve for x: d/4 = 33/20
What is 6.6
400
Sal earns $480 per week Lidia earns $325 per week. Are their salaries proportional if Sal works 40 hours per week and Lidia works 25 hours per week?
What is No.
400
Ellen needs new socks. Her mother can buy a package of 6 pairs of socks for $3.80 or a package of 9 pairs for $6.00. Which is the better buy?
What is six for $3.80
400
Jordan needs to photocopy a 12 centimeters wide by 16 centimeters long picture. He wants to enlarge the picture so that its length will be 32 centimeters. How wide will the enlarged picture be?
What is 24 cm
500
Debbie has 5 textbooks in her locker. Their are 100 textbooks in the whole eighth grade. What ratio of textbooks does Debbie have?
A company's quality control department found an average of 5 defective models for every 1000 models that were checked. If the company produced 60,000 models in a year, how many of them would be expected to be defective?
What is 300?
500
Cereal is on sale this week. Is it a better buy to get the 10-ounce box for $1.95 or the 14-ounce box for $2.77?
What is the 10-ounce box?
500
Steve's pet parakeet is 100 mm tall. It casts a shadow that is 250 mm long. A cockatiel sitting next to the parakeet casts a shadow that is 450 mm long. How tall is the cockatiel?