6A Write Ratios
6B Unit Rate
6C Ratio Tables
6D Percent
100
Of the 15 children at the park, 12 children are riding bikes and 3 children are riding scooters. What is the ratio of bikes to children? Write the ratio 3 ways and simplify.
4 to 5
4/5
4:5
100
A car can travel 600 miles on 20 gallons of gas. What is the unit rate of miles per gallon for this car?
30 miles per gallon (mpg)
100
5 drops of red paint are mixed with 4 drops of yellow paint to make orange paint. What is the number of drops of yellow paint needed for 45 drops of red paint? Make a ratio table.
Ratio tables will vary.
36 drops of yellow paint are needed for 45 drops of red paint.
100
Elanor deposits 20% of the money that she earns each week in a savings account. If Elanor earns $85 each week, how much money will she deposit each week?
$17
200
Ahmad's mom prepares a plate with 5 peaches and 4 apples for 6 students in his study group. What is the ratio of fruit to students? Write the ratio 3 ways and simplify.
3/2
3:2
3 to 2
200
An 8 pound bag of oranges costs $4.95. Calculate the unit rate (cost of 1 pound of oranges). Round to the nearest penny.
$0.62
200
Cans of corn are on sale at 10 for $4. Make a ratio table to find the cost of 15 cans.
Ratio tables will vary.
15 cans of corn cost $6.
200
In an after-school sports program, 70% of 400 students play soccer. How many students play soccer?
280 students
300
Lil blew up 7 balloons. Kathy blew up 5 balloons. What is the ratio of total balloons to Kathy's balloons? Write the ratio 3 ways and simplify.
12:5
12/5
12 to 5
300
A 14 pack of limes costs $1.12. What is the unit cost?
$0.08
300
10 flights arrive at LAX every 15 minutes. How many flights would you expect to arrive in 1 hour? Make a ratio table.
Ratio tables will vary.
40 flights an hour
300
Ashley has sold 70% of the 20 candy bars she is supposed to sell for her softball team. How many candy bars does she have left to sell?
Ashley has 6 more candy bars to sell
400
In a drawing, there are three circles, four stars, and three triangles. What is the ratio of stars to the total number of shapes? Write the ratio 3 ways and simplify.
2/5
2:5
2 to 5
400
Referees earn $540 for working 3 ten-hour shifts at school. What is their hourly wage?
$18 per hour
400
Joe mows lawns during his summer vacation to earn money. He took 14 hours last week to mow 8 lawns. Make a ratio table to find how many lawns could he mow in 49 hours?
Ratio tables will vary
Joe can mow 28 lawns in 49 hours.
400
Diane received 300 votes in the election for student council president. That was 60% of the votes. How many students voted in the election?
500 students voted in the election
500
The recipe calls for 2 eggs, 8 cups of flour, 3 teaspoons of oil, and a pinch of salt. What is the ratio of cups of flour to eggs? Write the ratio 3 ways and simplify.
4:1
4 to 1
4/1
500
The table shows data about the worlds fastest turtles. Which turtle runs the fastest? Support your answer with unit rates.
The tortoise because it travels about 2.7 miles in an hour.
The sea turtle and snapping travel less miles in an hour. Snapping turtle (about 1.7 miles) and sea turtle (about 1.9 miles).
500
A veterinarian needs to know a dog's weight in kilograms. If 20 pounds is about 8 kilograms. Make a ratio table to find the dog's weight in kilograms if the dog weights 30 pounds..
Ratio tables will vary.
The dog weights 12 kilograms
500
Students in Ms. Edward's class are reading a book that has 280 pages.
Nora has already read 30% of the book before it was assigned. She is choosing between two options to finish reading the book.
Option 1: read 25% of the remaining pages each night
Option 2: read 28 pages each night
Which option should Nora use to finish the book in the least amount of time?
Nora should choose option 1 because option 1 only takes 4 night.
Option 2 takes 7 nights