Rates, Unite Rates, Proportions

What would x need to equal if this forms a proportion?

What does k equal to make this a proportion?

What does n equal to make these two fractions a proportion?

What does f equal to make these two fractions a proportion?

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

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

Water flows from a faucet at a rate of 5 gallons every 25 seconds. At this rate, how many gallons will flow from the faucet in 45 seconds?

• 9 gallons

• 5 gallons

• 11 gallons

• 40 gallons

A machine can pack 70 boxes of spaghetti in 5 minutes. At this rate, how many boxes can they pack in 8 minutes.

• 35 boxes

• 14 boxes

• 112 boxes

• 560 boxes

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $.50 per pound

• $1.25 per pound

• $3 per pound

• $2.50 per pound

A cashier at the grocery store rung up 2 customers in 8 minutes. At this rate, how many customers can he ring up in 30 minutes?

• 16 customers

• 10.5 customers

• 7.5 customers

• 14 customers

After 3 hours, Ernie had travelled 195 miles. If he travels at a constant speed, how far will he have travelled after 5 hours?

• 400 miles

• 325 miles

• 575 miles

• 650 miles