Writing Ratios
A petting zoo has 5 lambs, 11 rabbits, 4 goats, and 4 piglets. Find the ratio of goats to the total number of animals. Write the ratio in simplest form.
1/6
1 to 6
1:6
Find the unit rate.
150 orders in 3 days = ____ orders per day
50 orders per day
or
50 orders/1 day
Colin loves to eat tuna salad for lunch. His mom is always looking for a bargain on cans of tuna. Today, his local grocery store is offering 4 cans of Sea Star tuna for $3.28 and 2 cans of Ocean's Best tuna for $1.88. Which brand is the better deal and how much is it per can?
Sea Star Tuna $0.82 per can is a better deal than Ocean's Best Tuna which is $0.94 per can
In a video game for every 6 enemies defeat, you earned 3 points. If you defeated 48 enemies, how many points would you have earned?
24 points
Sandra drove 280 miles in 4 hours. If she continued driving at the same speed, how many miles will she have traveled after 7 hours?
490 miles
Rod has 10 rosebushes, 2 of which produce yellow roses. Write the ratio 2 yellow rosebushes out of 10 rosebushes in simplest form.
1/5
1:5
1 to 5
Find the unit rate.
140 stamps on 5 sheets = ___ stamps per sheet
28 stamps per sheet
or
28 stamps/1 sheet
Ronnie and Roxanne went to the track after school. Ronnie ran 6 laps in 15 minutes. Roxanne ran 9 laps in 20 minutes. Who ran faster?
Roxanne ran faster, she ran 0.45 laps per minute.
At a school fundraiser for every 9 boxes of chocolate sold you earn 5 points. If you were to sell 72 boxes, how many points would you have earned?
40 points
Star bought 30 T-shirts for her family reunion for $255. How much would 90 T-shirts cost?
$765
Marvin and Lawrence are friends who share the same birthday. They decided to have a birthday party together and invited their friends. Marvin received 24 gifts while Lawrence received 14 gifts. What is the ratio of gifts for Marvin to Larry?
A. 7:12 B.12:7 C.2:7 D.7:2
B. 12: 7
Find the unit rate.
226 rooms on 2 floors = ___ rooms per floor
113 rooms per floor
or
113 rooms/1 floor
Yaritza and Eddy race to school on their bikes. Yaritza bikes 2 miles in 12 minutes, and Eddy bikes 3 miles in 15 minutes. Who is going faster?
Eddy is going faster, he bikes 5 minutes per mile.
A recipe call for 5 teaspoons of seasoning for every 6 batches of chicken. If you have 12 batches of chicken, how many teaspoons of seasoning will you need?
10 teaspoons
Lisa played a total of 40 chords in 8 minutes. How many chords could she play in 20 minutes?
100 chords
Last week, Brett's Ice Creamery sold 36 sundaes with nuts and 14 sundaes without nuts. What is the ratio of the number of sundaes with nuts to the number of sundaes without nuts? (Simplify the ratio.)
18:7
18/7
18 to 7
Kelly drove 130 kilometers in 2 hours. How many kilometers did she drive per hour?
65 kilometers
Michael, who really likes to have a bag of chips with his lunch, is comparing chip prices at the store. He can buy a 10-pack of Double Cheese Crisps for $7.80 or a 15-pack of Cheddar Skins for $11.85. Which brand costs less per bag and what is the unit price?
Double Cheese Crisps cost less per bag, $0.78 per bag.
A box of candy had 4 cherry pieces for every 9 lemon pieces. If the box had 45 lemon pieces, how many cherry pieces would there be?
20 cherry pieces
Hakim made 24 free throws in 3 minutes. If he continued making free throws at the same rate, how many will he make after 20 minutes?
160 free throws
Mrs. Marshall’s sixth-grade class has 28 students, 12 of which are boys. Which of the following describes the ratio of boys to girls in Mrs. Marshall’s class?
A. The ratio of boys to girls is 1:2 because there are 50% more boys than girls.
B. The ratio of boys to girls is 3:4 because, for every 3 boys there are 4 girls.
C. The ratio of boys to girls is 4:3 because, for every 4 boys there are 3 girls.
D. The ratio of boys to girls is 6:24 because 6% of the students are boys.
B. The ratio of boys to girls is 3:4 because, for every 3 boys there are 4 girls.
There were 948 passengers on 2 air planes at Hartsfield-Jackson Airport. If the same number of passengers were on each plane, how many passengers were on each plane?
474 passengers
Jack and Priya are setting up folding chairs for their school’s weekly Community Meeting. Jack can unfold and set up 55 chairs in 20 minutes. Priya can unfold and set up 44 chairs in 15 minutes. Who works at the faster rate?
Priya works faster, 2.93 chairs per minute.
The ratio of boys to girls at the park was 9 to 6. If there were 45 boys, how many girls were there?
30 girls
Harley drives 140 miles in 2 hours.
If she travels the same distance each hour, how many miles does she drive in 9 hours?
630 miles