Percent and Rate change

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

I paid $15.00 for 6 gallons of gasoline.
What was the price PER gallon?

• $0.40
• $9.00
• $2.50
• $0.90

There are 75 pieces of candy in a 15 oz bag.

How many pieces are there per ounce?

• 5 pieces

• 0.2 pieces

• 50 pieces

• 60 pieces

Choose ALL CORRECT statements.

*There may be more than 1.

• The graph represents the ratio of weight per pound to cost.

• At a weight of 8 pounds the cost is about $10.

• The unit rate is $4 per pound.

• At 9 pounds, the cost will be between $8 and $9.

• 45 cups

• 1/45 cups

• 1/4 cup

Kolton can mow 3/8 of an acre of grass in 3/4 an hour. How many acres of grass does Kolton mow per hour?

• 2 acres/hour

• 1/2 acres/hour

• 9/24 acres/hour

• 2 2/3 acres/hour

Jashon's pet snail can move 3/10 of a meter every 1/12 hour, what is the speed of the snail, in meters per hour?

• 1/40 m/h

• 5/18 m/h

• 1 1/2 m/h

• 3 3/5 m/h

The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.

• 52%
• 41%
• 42%
• 45%

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter? 

• 35%
• 25%
• 30%
• 20%

Find the PERCENT of Change.
The original cost was $50 and the new cost is $60. 

• Increase 20%

• Increase 16.67%

• Increase $10

• Decrease $10

• Increase 10%