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  1. D

    April buys eight books for $44. Paperback books cost $4 and handback books cost $8.

    x=$4 books y=$8 books x+y=8 4x+8y=44 Solve for x in equation 1 x=8-y Substitute in Equation 2 4(8-y)+8y=44 32-4y+8y=44 4y=12 y=3 8-3=5 So, she bought 5 $4 books and 3 $8 books
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