rates & proportions

RATES & PROPORTIONS

Remember it’s not about how fast you finish.

It’s about CAN you finish and understand what you did!

PROBLEM 1The ratio of girls to boys in the

Jackson Middle School sixth grade class is 4 to 5. If there were 100 boys, how many girls are in the class?

PROBLEM 2Mr. Jones and his legal department were

responsible for mounting flags on the iron fence around the courthouse for the Fourth of July celebration. He and his department mounted 32 flags in 80 minutes. If they continue hanging flags at this rate, how many flags will they hang in 4 hours?

PROBLEM 3 Every day a zookeeper

feeds 4 elephants a total of 360 lb. of food. At this rate, how many pounds of food would the zookeeper need every day to feed 32 elephants?

PROBLEM 4At the last KMS pep rally 5 out of every 8

students wore school colors. Based on this information, if 720 students attend the next pep rally, how many will wear school colors?

PROBLEM 5In a first aid kid the ratio of large band aids

to small band aids is 4:3. Based on this ratio, how many large band aids would there be if there are 75 small band aids?

PROBLEM 6 At a school on Friday, 3 out of every 4

students were wearing jeans. There were 600 students at school on Friday. How many of the students were wearing jeans?

A. 599, because 600 – (4 – 3) = 599B. 450, because = C. 50, because 600 (4 × 3) = 50D. 800, because =

PROBLEM 7Iris went to an arcade to play video games.

She paid $2 for every 11 tokens he bought. She spend a total of $16 on tokens. Which equation can be used to determine t, the number of tokens Iris bought?A. = B. = C. = D. =

PROBLEM 8o A worker at a clothing company uses 200

buttons to make 50 shirts. At this rate, how many buttons would the worker use to make 350 shirts?

PROBLEM 9o A Ford factory make 400 cars per day. If the

workday is eight hours long, what is the hourly rate at which cars are produce?

PROBLEM 10o Sammie read a total of 24 books in a 8 week

period. How many books did Sammie read per week?