The book fair is this week, and there's a special deal for teachers. For every 5 hardcover books a teacher buys, he or she can get 2 paperback books for free. Ms. Baldwin is buying 35 hardcover books for her classroom library. How many paperback books will Ms. Baldwin get for free? *
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In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
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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.
For Teachers, offer is for every five hardcover books, he/she gets two paperback books.
Ms. Baldwin buys 35 books, so
| Hardcover books | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Free paperback books | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Total hardcover books= 35
Total free paperback books= 2×7=14
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