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Check it out!. 1.2.1: Creating Linear Equations in One Variable. Andrew is practicing for a tennis tournament and needs more tennis balls. He bought 10 cans of tennis balls online and received a 25% discount. The shipping cost was $5.99. Let x represent the cost of each can.

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  1. Check it out! 1.2.1: Creating Linear Equations in One Variable

  2. Andrew is practicing for a tennis tournament and needs more tennis balls. He bought 10 cans of tennis balls online and received a 25% discount. The shipping cost was $5.99. Let x represent the cost of each can. Write an algebraic expression to represent the cost of the tennis balls. Write an algebraic expression to represent the cost of the tennis balls with the discount. Write an algebraic expression to represent the total cost of the tennis balls with the shipping cost and the discount. Simplify the expression. 1.2.1: Creating Linear Equations in One Variable

  3. Write an algebraic expression to represent the cost of the tennis balls. Andrew purchased 10 cans of tennis balls at an unknown price, x. Therefore, the expression to represent the cost of the tennis balls is 10x. 1.2.1: Creating Linear Equations in One Variable

  4. Write an algebraic expression to represent the cost of the tennis balls with the discount. First, Andrew will be charged the cost of the tennis balls (10x). Then, 25% will be discounted or taken off the cost of the tennis balls, so –0.25(10x). Add these amounts to arrive at the price of the tennis balls. 10x – 0.25(10x) 10x – 2.5x 7.5x 1.2.1: Creating Linear Equations in One Variable

  5. Write an algebraic expression to represent the total cost of the tennis balls with the shipping cost and the discount. Simplify the expression. The shipping cost was $5.99. Add this to the expression found previously. 10x – 0.25(10x) + 5.99 10x – 2.5x + 5.99 7.5x + 5.99 1.2.1: Creating Linear Equations in One Variable

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