Applications of Rational Expressions and Word Problems
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- (Video) Word Problems with Rational Equations by larryschmidt Here is a really good video by larryschmidt showing you how to work through some word problems involving rational e…
By Alex Federspiel, Caroline K, Amy Feraco, Anusha Rahman
- Word Problems Involving Rational Equations Example 111: Seven divided by the sum of a number and two is equal to half the difference of the number and three. Find all such numbe…
By Alex Federspiel, Amy Feraco, Anusha Rahman
- Distance, Rate, and Time Word Problems Let's talk about how to solve word problems involving distance, rate, and time. These problems can be tricky, but here is a good guide on …
By Alex Federspiel, Caroline K, Amy Feraco, Anusha Rahman
Problems 20
- A piping system can fill a pool in 5 hours. A garden hose can the fill the same pool but in 16 hours. How long would it take if both were filling the pool at the same time? Roun…
- Cam can paint a house in 444 hours. Zack can paint a house in 333 hours. They have to paint 333 houses today. Zack begins at 10am and Cam shows up late and starts at noon. Worki…
- A boat goes 250250250 miles downstream in the same time it can go 150150150 miles upstream. The speed of the current is 555 miles per hour. What is the speed of the boat in stil…
- If sss varies inversely as t2t^2t2, and s=9s=9s=9 when t=3t=3t=3, find sss when t=10t=10t=10.
- A rectangle has one side 4a4a4a that varies inversely to the other side b3b^3b3. When a=2a=2a=2, then b=5.b=5.b=5. Find aaa when bbb is increased to 10.10.10.
- Wei's birthday is coming up. Toni, Lane, and Arman want to throw him a surprise party. \\ All 444 of them live on the same (straight) street such that Arman and Toni live south …
- Paul bought ppp lbs of oranges, doubling his stock, and sold 13\frac{1}{3}31 of them yesterday. Kelly has 555 times more stock than Paul's original stock. She sold 49\frac{4}{9…
- Kerry and Tess are completing study guides for an upcoming math exam. It would take Kerry 202020 hours to complete the study guide. It would take Justin 151515 hours to complete…
- Rhonda takes 101010 hours to plant 500500500 flowers. Ruby takes 666 hours to plant 450450450 flowers. Working together, how long should it take them to plant 150015001500 flowers?
- Melissa and Michael are painting the interior of their new home. The entire task took 363636 hours. It would've taken Melissa 484848 hours to paint the entire house by herself. …
- What is Rae's normal speed? Choose the closest answer.
- Let's say there are xxx active club members last semester; choose the correct equation that expresses the situation.
- How much faster is Anton, compared to Jamie?
- Dexter and Marley live far away, although still within driving distance. It takes Dexter 333 hours to drive to Marley's house. It takes Marley 2.52.52.5 hours to drive to Dexter…
- Dexter and Marley live far away, although still within driving distance. It takes Dexter 333 hours to drive to Marley's. It takes Marley 2.52.52.5 hours to drive. \\ There is a …
- Elizabeth and Jane can each sort a messy book self such that the books are in alphabetical order in 222 hours. Lydia needs 333 hours to do the same by herself. \\ If the three o…
- How does www vary with uuu?
- If AAA is inversely proportional to BBB, and BBB is directly proportional to CCC, then...
- If Kev were to complete his half entirely on his own, how long would he have taken?
- Every Tuesday, the Expii office has lunch together. Each week the team picks a restaurant and orders food, then goes and picks it up. Let xxx be the number of people ordering, a…