Writing ratios
A ratio...
compares 2 things
What is a unit rate and how do you find it?
per 1 of something. divide
the 8 oz
A fruit stand is selling 8 bananas for $1.25. At that rate how much will 24 bananas cost?
$3.75
5 shovels of sand are mixed with 4 shovels of gravel to make cement. What is the number of shovels of gravel needed for 45 shovels of sand?
What is 36?
Christina biked 36 miles in 6 hours. If she biked at a constant speed, how many miles did she ride in one hour?
6 mi/hr
16 to 12 or 4 to 3
If your heart beats 180 times in 3 minutes what is the rate in beats per minute?
60 beats per minute
12 oz box
At a copy center you can make 100 copies for $4.00. How much will it cost for 450 copies?
$18.00
Ari can walk 2 miles in 40 min. What is the amount of time it will take him to walk 4 miles?
What is 80 min.?
Ricky made $600 in two weeks. Find the unit rate.
$300/week
In an arrangement of flowers there were 4 roses and 6 carnations. Write the ratio of roses to carnations in the 3 forms.
4:6, 4/6 4 to 6
There are 1,332 calories in a bag of Doritos. If there are 9 servings, how many calories are there per serving?
148 calories per serving
Who is driving faster: Dan who drove 300 miles in 5 hours or Jon who drove 400 miles in 7 hours?
Dan
If it takes you 2 minutes to type 150 words, how long would it take you to type 600 words?
8 minutes
Paul used 6 black tiles and 12 white tiles for a pattern. What is the ratio of black tiles to white tiles?
1:2 or 6:12
Apples sell 4 for $2.40. How much do 6 apples cost?
$3.60
In a class of 25 students, 14 students like basketball as their favorite sports. What is the ratio of students who don't like basketball best to those who do like basketball best.
11 to 14
If you drive 450 miles in 6 hours, how fast were you driving?
75 miles per hour
Who runs slower: Polly who ran 5 miles in 42 minutes or Lacey who ran 3 miles in 25 minutes?
Lacey
You can run 1 mile in 8 minutes. How long should it take you to run 3 miles?
24 minutes
30 buses can carry 1500 people. What is the number of people that can be carried by 5 buses?
250 people
Rose spent $2.00 for 20 pieces of gum. Joe spent $1.50 for 10 pieces of gum. Who got the better deal and why?
Rose got the better deal. She got one piece for $0.10 and Joe spent $0.15 for one piece.
To make a punch, you use 3 cups sprite, 2 cups apple cider and 4 cups orange juice. What is the ratio of orange juice to total cups?
4 to 9
If you spend $8.22 on 6 pounds of apples, what is the unit rate per pound?
$1.37 per pound
Who scored more points per game: Henry with 83 points in 9 games or Elias with 132 points in 12 games?
Elias
The ratio of tennis balls to golf balls is 7 to 1. There are 48 balls total, how many golf balls are there?
6 golf balls
Ivy's Fresh Eggs transports its eggs in crates. It takes 2 trucks to carry 80 crates. What is the number of crates that 8 trucks can carry.
320 crates
Larry can type 225 words in 3 minutes. How many words can he type in 10 minutes?
750 words