Purchase Solution

Fractions and LCM Word Problems

Not what you're looking for?

Ask Custom Question

A water tank has an inlet pipe and a drain pipe. A full tank can be emptied in 30 minutes if the drain is opened and an empty tank can be filled in 45 minutes with the inlet pipe opened. If both pipes are accidentally opened when the tank is full, then how long will it take to empty the tank?

keywords: least, lowest common multiples

Purchase this Solution
Solution Summary

An LCM problem is solved.

Purchase this Solution
Free BrainMass Quizzes
Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

Probability Quiz

Some questions on probability

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

View More Free Quizzes
Related BrainMass Solutions

  • Word problem of buying strawberries

    first we will convert these fractions to an easier form Monday =>(3*2+1)/2 lbs = 7/2 lbs Tuesday => - 7/3 lbs result = 7/2 - 7/3 taking LCM, multiplying and simplifying, [6*7/2 - 6*7/3]/6 = [21 -14 ]/6 = 7/6 = 1 1/6 Left on Wednesday

  • Polynomial fractions

    Since and , then the lcm of and is This provides several examples of working with equations involving polynomial fractions.

  • fraction

    184631 Basic Mathematics Problems Involving Fractions and Word Problems # 22 Find the least common multiple(LCM) for each group of numbers: 12,20,and 35 #36 1/3 + 5/8 + 4/5 #44 13/15 - 11/20 ---------------------------------

  • add and simplify two fractional expressions

    The LCM of the denominators is (4x + 1)(x + 4)(x -1) Then write the fractions using the LCM as the denominator: The solution provides detailed explanations of adding two complex fractional expressions.

  • Twenty Algebra Questions

    This problem set consists of 20 algebra questions involving absolute value inequalities, simplifying rational expressions, the domain of a function, the least common multiple of terms, solving rational equations and word problems.

  • Algebra Problems: Prime Factorization and Greatest Common Factor

    factorization GCF LCM fractions simplest form mixed fractions word problems decimals percent exponents absolute value I find the prime factors by breaking the number down into at least two factors, then finding the prime factors for those numbers

  • Mathematics - Algebra

    The LCM if 12, 6 and 1 is 12.  we say that the LCD for the three fractions above is 12. Now, (1/12) x^2 + (1/6)x - 2 = 0 Multiply each term of the equation by the LCD, which is 12.

  • Solving inequalities equations

    Find all values of y which satisfy the equation We need to multiply both sides with LCM of the denominators so that the fractions can be removed. The LCM of (y + 5) and (y + 3) is (y + 5)(y +3).

  • Rational expressions and least common multiple

    Find the LCM of , The LCM of 10 and 50 is 50 The LCM of x4 and x6 is x6 So the LCM of 10x4 and 50x6 is 50x6. 13. Find the LCM of Factor the two expressions: The LCM is the product of all factors: 14.

View More Related Solutions