Chapter 1: Q51. (page 51)
CHALLENGE Consider Writing and simplifying by combining like terms.
Short Answer
The simplified form is
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Chapter 1: Q51. (page 51)
CHALLENGE Consider Writing and simplifying by combining like terms.
The simplified form is
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Write each repeating decimal as a fraction in simplest form.
The table shows donations to help purchase a new tree for the school. How much money did the students donate in all?
| Number of students | Amount of Each donation |
|---|---|
| 20 | \(250 |
| 15 | \)325 |
Ms. Hernandez boarded her dog at a kennel for 4 days. It cost \(18.90 per day, and she had a coupon for \)5 off. What was the final cost for boarding her dog?
Consuelo and James are writing an algebraic expression for three times the sum of n squared and 3. Is either of them correct? Explain your reasoning.

Evaluate each expression if , and .
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