Answer:
66 Hours
Explanation:
Let X represent the number of hoursStep 1 Equation:55 + 1x = 121Step 2 Inverse Operation:121 - 55 = X121 - 55 = 66Step 3 Answer:X = 66Step 4 Check:55 + 1(66) = 121
Answer: 66 hours
$121 - 55$(one time payment) = 66 hours
1 * 66 = 66
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