Topic 4 Review: Generate Equivalent Expressions

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What is an equivalent expression for Hal's pay after a 2% raise if he earns n dollars per hour?

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If Jean ran 2 fewer than 4m miles last week and 0.5 miles more this week, how do you express the total miles she ran?

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How do you calculate the cost of buying p pounds of potatoes at $0.32 per pound and n pounds of onions at $0.48 per pound?

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How do you express Haddie's profit from selling s scarves after paying a $25 booth fee if she charges $12 per scarf?

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What does it mean to simplify an expression?

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To simplify an expression means to reduce it to its simplest form, combining like terms and eliminating unnecessary parts.

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What is a variable in algebra?

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A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.

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Define an expression in mathematics.

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An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

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What is the difference between an expression and an equation?

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An expression does not have an equality sign and represents a value, while an equation states that two expressions are equal.

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What does it mean to evaluate an expression?

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To evaluate an expression means to calculate its value by substituting the variables with specific numbers.