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Answer:
The minimum number of hours that Sara could have worked is 31 hours .
The inequality representation of possible value of h is 105 + 7.25 h 329.75
Step-by-step explanation:
Given as :
The earning of Sara in per hour amount = $7.25 per hour
The additional earning of Sara as tips = $105
The Total earning of Sara = $329.75
Let The minimum number of hours that Sara could have worked = h hours
<u>Now, According to question</u>
The Total earning of Sara = The earning of Sara in per hour amount × minimum working hours + The additional earning of Sara as tips
I.e $329.75 = $7.25 per hour × h + $105
Or, $105 + $7.25 per hour × h = $329.75
Or, $7.25 per hour × h = $329.75 - $105
Or, 7.25 per hour × h = 224.75
∴ h =
I,e h = 31 hours
So, The number of hours Sara worked = h = 31 hours . Answer
Hence, The minimum number of hours that Sara could have worked is 31 hours .
The inequality representation of possible value of h is 105 + 7.25 h $329.75
Answer