Ratios
In a class, there are 6 girls and 8 boys. What is the ratio of the number or girls to the number of students on the class.
6:14
True or False
Two quantities are directly proportional if an increase in one is matched by a decrease in the other.
False
True or False
If two quantities are inversely proportional, as one quantity increases the other will decrease.
True
An airplane travels 975 miles in 3 hours. How many hours will it take to travel a distance of 1300 miles?
4 hours
2:8
1:4
Write a ratio that is equal to 12 : 24 in its simplest form.
1:2
Ramon gets 10 points in 4 games. How many points does he get in 6 games?
15 points
It takes four men 6 hours to repair a section of a road. How long will it take eight men to do the same job?
3 hours
Aaron types 540 words during half an hour, how many words he type in 6 minutes?
108 words
32: 40
4:5
A comparison between two numbers is called a______
ratio
Anna earns $12 in 3 hours. How much does she make in 5 hours?
$20
A fort has provisions for 300 men for 900 days. If 50 men left the fort, how long would the food last at the same rate.
1080 days
At a car wash station, 4 men can wash 7 cars in 18 minutes. How long will it take 3 less men to wash 7 cars.
72 minutes
70: 100: 130
7:10:13
A sum of money was to be shared among three friends, Ann, Monique and Diane in the ration 2:5:8. If Monique received $225 more than Ann, evaluate Ann's share.
$150
A train travels 300 km in 6 hours. How long will it take to complete the journey of 550 km?
11 hours
It takes a crew of 6 painters 49.5 hours to paint a house. If 3 more painters are hired, how many hours will it take the crew to paint a house?
33 hours
It takes Mary 18 minutes to finish reading 4 pages of a book. How long does it take Mary to finish reading a chapter of a book, which has 36 pages?
162 minutes
2250:1050:1200
15:7:8
A Sum of money is divided among Ali, Chris and Brian in the ratio 3:2:5. If Brian received $420 more than Chris, determine the sum of money shared.
$1400
If Charlie saves $4500 in 3 weeks, how many weeks will it take him to save $12000?
8 weeks
It takes 8 farmers 44 hours to pick the apples on one acre. How many farmers are needed to pick the apples on one acre in 32 hours?
11 farmers
Karen runs 2 km in 23 minutes. If Karen runs at the same pace, how long will it take her to run 10 km. Give your answer in hours and minutes.
1 hour and 55 minutes
3 cm : 9mm in mm
10: 3