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Standardized Test Practice

x + y = 16. x + y = 16. B. A. x + y = 16. x + y = 76. D. C. EXAMPLE 3. Standardized Test Practice.

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Standardized Test Practice

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  1. x + y = 16 x + y = 16 B A x + y = 16 x + y = 76 D C EXAMPLE 3 Standardized Test Practice Darlene is making a quilt that has alternating stripes of regular quilting fabric and sateen fabric. She spends $76 on a total of 16 yards of the two fabrics at a fabric store. Which system of equations can be used to find the amount x(in yards) of regular quilting fabric and the amount y(in yards) of sateen fabric she purchased? 4x + 6y = 76 x + y = 76 4x + 6y = 16 6x + 4y = 76

  2. x 16 y + = EXAMPLE 3 Standardized Test Practice SOLUTION Write a system of equations where xis the number of yards of regular quilting fabric purchased and yis the number of yards of sateen fabric purchased. Equation1: Amount of fabric

  3. x y + 6 4 = 76 ANSWER The correct answer is B. B C D A EXAMPLE 3 Standardized Test Practice Equation2:Cost of fabric The system of equations is: x + y = 16 Equation 1 4x + 6y = 76 Equation 2

  4. SOCCER A sports equipment store is having a sale on soccer balls. A soccer coach purchases 10 soccer balls and 2 soccer ball bags for $155. Another soccer coach purchases 12 soccer balls and 3 soccer ball bags for $189. Find the cost of a soccer ball and the cost of a soccer ball bag. 4. ANSWER soccer ball $14.50, soccer ball bag: $5 for Example 3 GUIDED PRACTICE

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