How many gallons of 25% alcohol solution and 45% solution must be mixed together to get 7 gallons of 30% alcohol solution? There need to be gallons of 25% solution and gallons of 45% solution.
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
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Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
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Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
How many gallons of 25% alcohol solution and 45% solution must be mixed together to get 7 gallons of 30% alcohol solution?
There need to be gallons of 25% solution and gallons of 45% solution.
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