Mixture word problem with sand and soil
2 m3 of soil containing 35% sand was mixed into 6 m3 of soil containing 15% sand. What is the sand content of the mixture?
Let x% be the amount of sand in the mixture
2 × 35% + 6 × 15% = (2 + 6) × x%
2 × 0.35 + 6 × 0.15 = 8 × x/100
0.7 + 0.9 = 8x / 100
1.6 = (8/100)x
1.6 = 0.08x
1.6/0.08 = x
x = 20
Therefore, there are 20% of soil in the mixture.
Recent Articles
-
How to Solve Exponential Equations
Jun 20, 18 04:10 PM
Learn how to solve exponential equations quickly with this lesson that is easy to understand
New math lessons
Your email is safe with us. We will only use it to inform you about new math lessons.
Recent Articles
-
How to Solve Exponential Equations
Jun 20, 18 04:10 PM
Learn how to solve exponential equations quickly with this lesson that is easy to understand
-
Expanding Logarithms
Jun 14, 18 09:55 AM
Expanding logarithms made easy with this easy to follow lesson
-
How to Simplify Logarithms
Jun 11, 18 02:27 PM
Learn how to simplify logarithms with this easy to follow lesson
-
Properties of Logarithms
Jun 08, 18 12:03 PM
We help you see properties of logarithms clearly and fast using a table
-
How to Evaluate Logarithms
Jun 04, 18 01:15 PM
Learn quickly how to evaluate logarithms with this easy to follow math lesson
-
Exponential and Logarithmic Functions
May 21, 18 09:24 AM
Explore exponential and logarithmic functions with these easy to follow math lessons
-
What is the Logarithm of a Negative Number?
May 16, 18 09:09 AM
What is the logarithm of a negative number or zero? Find a crystal clear explanation here!
Recent Lessons
-
How to Solve Exponential Equations
Jun 20, 18 04:10 PM
Learn how to solve exponential equations quickly with this lesson that is easy to understand
Our Top Pages
Formula for percentage
Compatible numbers
Basic math test
Basic math formulas
Types of angles
Math problem solver
Algebra word problems
Surface area of a cube
Finding the average
Scale drawings
Tough Algebra Word Problems.
If you can solve these problems with no help, you must be a genius!
Everything you need to prepare for an important exam!
K-12 tests, GED math test, basic math tests, geometry tests, algebra tests.
Real Life Math Skills
Learn about investing money, budgeting your money, paying taxes, mortgage loans, and even the math involved in playing baseball.
