Unit Rates
Steve drives 78 miles on 3 gallons of gas. Find the miles per gallon.
26 miles per gallon
Pam can run four laps around the track in 330 seconds. Patrick can run two laps around the track in 160 seconds. Which person runs the fastest per lap? List the unit rates for each.
Patrick is fastest at 80 seconds per lap. Pam rant 82.5 seconds per lap.
Determine the better buy. Find the unit rate for each.
18 ounces for $7.38
or
27 ounces for $15.39.
18 ounces for $7.38 is the better buy.
$0.41 per ounce
$0.57 per ounce
A grocery store sells 3 pounds of grapes for $3.45. Assuming the price per pound remains proportional, how much would 8 pounds cost?
$9.20.
No calculator.
4 + -9
-5
Walmart buys a case of 24 Takis for $20. What is the unit rate of price per Taki?
$0.83 per Taki
Mrs. Carlson grades 50 papers in 12 minutes. Mrs. Hutchinson grades 120 papers in 30 minutes. Who grades more papers per minute? List the unit rates for each teacher.
Mrs. Carlson is the fastest at 4.17 papers per minute. Mrs. Hutchinson grades 4 papers per minute.
Target and Walgreens are both having a sale on body spray. At Target you can buy 9 cans for $35.89 and at Walgreens you can buy 11 cans for $45.99. Which is the better buy?
Target.
A copier printed the first 120 pages of a report in 7 1/2 minutes. How many minutes should it take for the copier to print the remaining 32 pages. Assume the rate is constant.
2 minutes.
What is the population of the town of Galena rounded to the nearest thousand?
3,000
A skydiver falls 144 feet in three seconds. How far does the skydiver fall per second?
48 feet per second.
A Maserati MC20 travels at 101 miles in one half of an hour. The Chevrolet Corvette can travel 388 miles in 2 hours. Which travels faster? What is the unit rate for each.
The Maserati is faster at a speed of 202 miles per hour. The Corvette is 194 miles per hour.
Sam noticed that Rocky River Coffee sells a 20 ounce coffee for $5.32 and a 16 ounce coffee for $4.98. Which cup of coffee is cheaper per ounce?
20 ounce.
Amy jogs 1/3 of a mile in 1/15 of an hour, while John takes 1/30 of an hour to jog 1/5 of a mile. If they continued at this rate, who would jog farther in one hour and by how much?
John would jog 1 mile farther than Amy.
(-2)(-2)(-2) = ?
-8
A pump moves 42 gallons in seven minutes. Find the unit rate in gallons per minute.
6 gallons per minute.
Marcel drove 140 miles in 2 hours. Brandon drove 204 miles in 3 hours. Who drove at a faster rate (in miles per hour)? Find the unit rate for each driver.
Marcel is faster at 70 mph. Brandon drives 68 mph.
Determine which is the better buy.
22 staplers for $330
or
4 staplers for $80.
22 staplers for $330.
Jafar runs one lap around a track, representing 1/4 of a mile, in 1 2/3 minutes. How long, in minutes, will it take him to run one mile?
20/3.
(-2)(3)(4)
-24
Mrs. May read 124 pages in her book in 1/2 hour. What is the unit rate in pages per hour.
248 pages in 1 hour
It took a car 3 hours to drive 210 miles and another car 2.5 hours to drive 180 miles. Which car drove at a faster rate? Find the unit rates for each.
The second car is faster at 72 mph. The first car is going 70 mph.
Which is the better buy? 2 1/2 pounds of turkey for $6.25 or 3 1/3 pounds of turkey for $10.50?
2 1/2 pounds of turkey for $6.25.
Jimmy and his family took a three-day trip. They drove 198 miles on the first day, 150 miles on the second day, and 210 miles on the third day. If the entire trip took 9 hours, what was the average driving speed?
62 miles per hour.
If the side of a square is 5 cm, what is the perimeter?
20 cm