Ratios Rates and Proportions

In my fish tank, the ratio of red fish to blue fish is 3:5. There are 20 blue fish. How many red fish are there?

• 18

• 12

• 4

• 15

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.

• Sargento

• Velveeta

Crayola crayons $6.97 for 120
or
Rose Art crayons $1.53 for 24
Find the unit price of each and choose the better deal.

• Crayola

• Rose Art

Jim pays $22.10 for 2.6 pounds of salmon. What is the price per pound of the salmon? 

• $57.46

• $8.50

• $19.50

• $24.70

Who walks at a faster rate:  someone who walks 60 feet in 10 seconds or someone who walks 42 feet in 6 seconds?

• Someone who walks 60 feet in 10 seconds

• Someone who walks 42 feet in 6 seconds

• They walk at the same rate

• They have broken legs

You own a restaurant. You want to do some advertising, so you hire 2 students to deliver takeout menus around town. One student, Darla, delivers 350 menus in 2 hours, and another student, Drew, delivers 510 menus in 3 hours. You promise a $10 bonus to the fastest worker since time is money in the restaurant business. Who gets the bonus?

• Darla delivers menus at a faster rate

• Drew delivers menus at a faster rate
  Drew delivers menus at a faster rate

• They deliver at the same rate

• They both just ate food 

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears.  What is the ratio of pears to ALL fruit?

• 5:4

• 5:11

• 2:5

• 6:5

A recipe requires 2 cups of milk for every 3 cups of flour. If you use 8 cups of milk, how many cups of flour do you need?

• 9

• 12

• 16

• 6

The pair of figures is similar. Find the missing side.

• x = 9

• x = 28

• x = 7

• x = 63

Taylor threw a party. She bought 4/5 of a gallon of coffee for 8 of her friends. How much coffee will each friend receive? 

• 1/5  of a gallon

• 1/100  of a gallon

• 1/10  of a gallon

• 8/40  of a gallon