E8.2 - LA1 - Unit Rates with Conversions

E8.2 - LA1 - Unit Rates with Conversions

4 tons of rocks cost $7,040.00. What is the price per pound?

• Divide price by the number of tons

• $7040/4 = $1760 per ton

• Now divide the price per ton by the number of pounds in a ton

• $1760/2000 = $0.88 per pound

Multiple Choice

A 2-gallon jug of water costs $5.12. What is the price per quart? (1 gallon = 4 quarts)

• $5.12

• $2.56

• $1.28

• $0.64

You buy 1kg of blue erasers,5kg orange erasers, and 1kg of purple erasers. What is the total cost?

• 1(0.93) +5(1.82)+1(2.19)=$12.22

Multiple Choice

You buy 2kg of blue erasers, 4kg orange erasers, and 3kg of purple erasers. What is the total cost?

• $15.71

• $14.82

• $9.00

• $4.94

Use Google to determine Conversion Factors

example: quarts per gallon

Multiple Choice

A 6-foot piece of brass wire costs $41.76. What is the price per inch?

• $6

• $6.96

• $0.58

• Cannot be determined