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System of linear equations and solving the system

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Reference no: EM131985688

1. Four times a number, x, plus five times a number, y, equals 79. Ten times x minus 5 times y equals 5. Find the numbers by setting up a system of linear equations and solving the system using the elimination method.

x = 7, y = 9

x = 6, y = 11

x = 8, y= 10

x = -10, y = 7

2. Kayla has saved $350 in 5 months. Express her rate of savings as a unit rate.

$140 every 2 months

$75 every month

$70 every month

$350 every 5 months

Reference no: EM131985688

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