The loonie store sells candies for 30 cents each and gum for 60 cents each. If a customer bought 20 items altogether which cost $9.00 in total, how many of each item was bought? show in an algebraic 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.
Numbers
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
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
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.
The loonie store sells candies for 30 cents each and gum for 60 cents each. If a customer bought 20 items altogether which cost $9.00 in total, how many of each item was bought? show in an algebraic solution.
Let the customer bought candies and gums
A.T.Q
____________ (1)
___________ (2)
Multiply equation (1) by
____________ (3)
On subtracting equation (3) from (2), we get
On substituting the value of in equation (1), we get
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