25. A college approves a budget of $800 for buying projectors and printers. A projector costs $300, and a printer costs $100. The plan is to buy at least 4 printers. If x represents the number of projectors, and y represents the number of printers, which set of inequalities represent this situation? C. 300x + 100y < 800 300x + 100y < 400 y 2 4 В. 300x + 100y < 400 4y 2 800 А. y 2 4 300x + 100y < 800 4y > 800 D. Е. not given
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.
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