Ratios and Rates

What is the greatest common factor of 18 and 27

• 9

• 3

• 10

• 6

LMC(10, 6) =

• 30

• 60

• 50

• 40

Three flower delivery drivers leave at 8:00AM to deliver flowers. Driver A returns every 12 minutes, Driver B returns every 15 minutes, and Driver C returns every 20 minutes. What is the next time the drivers will all return at the same time to the flower shop?

• 9:00 AM

• 10:20 AM

• 8:30 AM

• 10:30 AM

Lisa is making activity baskets to donate to charity.  She has 12 coloring books, 16 crayons, and 40 stickets.  She wants to put the same number of each kind item in each bag.  What is the greatest number of bags she can make?

• 2

• 4

• 240

• 6

You have 17 coins in your pocket. 8 are pennies, 4 are nickels, and 5 are dimes. What is the ratio of Nickels to Pennies in simplest form?

• 8:4

• 4:8

• 1:2

• 2:1

Students were asked their favorite subject in school.  Three students chose Social Studies, 8 chose Math, and 4 chose Science.  Write the ratio in simplest form that compares the number of students who chose Social Studies to the total number of students.

• 1:2

• 3 out of 15

• 1 to 5

There are 3 pencils and 18 pens on a desk. Find the ratio of pencils to pens.  What is the meaning of the ratio?

• For every 1 pencil there are 6 pens.

• For every 18 pencils there are 3 pens.

• For every 3 pencils there are 18 pens.

• For every 6 pencils there is 1 pen.

Mason drove 265 miles in 4 hours. Write this as a unit rate.

One bottle of shampoo costs $6 for 8 ounces. A second bottle costs $4 for 5 ounces. Which is a better buy? Explain (a few sentences) how you know. 

Write the rate as a unit rate. $0.96 for an 8 oz container.

• $0.11 per ounce

• $0.10 per ounce

• $1.2 per oz

• $0.12 per ounce