Caleb types 100 words in 5 minutes. What is the unit rate?

A.100 words to 5 minutes
B.5 minutes per 100 words
C. 20 words per minute
D.1 minute to 20 words

C. 20 words per minute

At one farmer’s market, bananas cost $0.80 per pound. At another farmer’s market, bananas are sold in 5-pound bags for $4.50 per bag. Which explains how to find the better buy?

Divide 4.50 by 5 to find the unit rate for the 5-pound bag, and compare that number to $0.80 per pound.
Divide 0.80 by 5 to find the unit rate for the 5-pound bag, and compare that number to $0.80 per pound.
Multiply 4.50 by 5 to find the cost for 5 pounds, and compare to $4.50 per bag.
Multiply 4.50 by 0.80 to find the cost for 5 pounds, and compare to $4.50 per bag.

A. Divide 4.50 by 5 to find the unit rate for the 5-pound bag, and compare that number to $0.80 per pound.

The table below shows the cost of bananas at a local grocery store.

Banana Prices
Weight of Bananas
(pounds)
Cost
($)
1
0.75
2
1.50
3
2.25
4
3.00
?
3.75

How many pounds of bananas cost $3.75?
5
6
7
8

7

A car travels 22 miles for every gallon of gasoline used. The table below represents this relationship.

Gas Mileage
Distance Traveled
(miles)
Gasoline Used
(gallons)
22
1
44
2
x
3
88
4

Which equation correctly shows a pair of equivalent ratios that can be used to find the unknown?
StartFraction 1 over 22 EndFraction = StartFraction x over 2 EndFraction
StartFraction 22 over 1 EndFraction = StartFraction x over 2 EndFraction
StartFraction 1 over 22 EndFraction = StartFraction x over 3 EndFraction
StartFraction 22 over 1 EndFraction = StartFraction x over 3 EndFraction

StartFraction 1 over 22 EndFraction = StartFraction x over 2 EndFraction

There are 12 boys and 16 girls in a classroom. Which represents the simplified ratio of girls to students in the classroom?

3 to 4
4 to 3
4 to 7
7 to 4

The simplified ratio of girls to students in the classroom is 4 to 7.

A pound of raisins costs $2.00, and a pound of almonds costs $5.00. Six pounds of a trail mix contains 2 more pounds of raisins than almonds. What is the cost of the 6 pounds of trail mix?

$7.00
$18.00
$24.00
$42.00