Equations with Ratios and Proportions - Page 6
Questions
- A housefly can fly about 6.4 feet per second. At this rate, how far can it fly in 25 seconds?
- If you can buy 3 lbs of apples for $7.20, how many pounds of apples can you buy if you have $12.00?
- How do you solve #2/10=4/(a-3)#?
- How do you solve #32/-h = -1/3#?
- To stay properly hydrated,a person should drink 32 fluid ounces of water for every 60 minutes of exercise. How much water should Dallan drink if he rides his bike for 135 minutes?
- On the class field trip, there were 4 teachers and 35 students. What is the ratio of students to teachers on this trip?
- Mike has already written 8 pages, and he expects to write 1 page for every additional hour spent writing. How many hours will Mike have to spend writing this week in order to have written a total of 42 pages?
- A health department estimates that 8 vials of malaria serum will treat 100 people. At this rate, how many vials are required to treat 175 people?
- How do you solve #4/9=2/x#?
- The bag contained red marbles and blue marbles. If the ratio of red marbles to blue marbles was 5 to 3, what fraction of the marbles were blue?
- A scale on a map shows that 2 inches 25 miles. How many inches on the map represent 60 miles?
- How do you solve #6/14=5/n#?
- Tamara can proofread 12 pages in 6 minutes. How many minutes will it take her to proofread 96 pages?
- How do you solve #7/9=b/(b-10)#?
- For every person who actually has the flu, there are 6 persons who have flu-like symptoms resulting from a cold. If a doctor sees 40 patients, write and solve a proportion to determine how many of these you would expect to have a cold?
- Emma drank 1/4 of a milk shake in 1/12 of a minute. How many minutes will it take her to drink a full milk shake?
- How do you solve #9/(k-7)=6/k#?
- Myra can fill 18 glasses with 2 containers of iced tea. How many glasses can she fill with 3 containers of tea?
- How do you solve #14/(3x) = 6/(2x-5)#?
- How do you use cross products to solve #3/x=4/28#?