*25 points* Hailey ran a few laps. D(n), models the duration (in seconds) of the time it took for Hailey to run her n^th lap. Wh
en did the lap duration increase faster?
A. Between the 3rd and 7th lap
B. Between the 7th and 9th lap
C. The lap duration increased at the same rate over both intervals
A. Between the 3rd and 7th lap
B. Between the 7th and 9th lap
C. The lap duration increased at the same rate over both intervals
2 answers:
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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