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Posted by on Sunday, August 26, 2012 at 4:16pm.

A car dealer will sell you a used car for $8,544 with $544 down and payments of $272.22 per month for 36 months. What is the simple interest rate? (Round each answer to the nearest tenth.)

  • math - , Sunday, August 26, 2012 at 4:33pm

    (272.22 * 36) - 8,000 = 1799.92

    I = PRT

    1799.92 = 8,000 * R * 3

    1799.92 = 24,000R

    1799.92 / 24,000 = R

    0.074996 = R

    7.5% = R

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