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butalik [34]
3 years ago
14

Kim earns $30 for babysitting on Friday nights she makes an average of $1.25 in tips per hour write the function of Kim’s earnin

g and solve for how much she would make after 3 hours
Mathematics
1 answer:
IgorLugansk [536]3 years ago
3 0
Hi there!

Let the amount of hours Kim worked be represented by X.
Her total earnings on a Friday night can be expressed as $30 + ($1.25 × the amount of hours). We can now set up a function for her total revenue (represented by Y).

y = 30 + 1.25x
When Kim works 3 hours we need to plug in x = 3 into the formula.


y = 30 + 1.25 \times 3 = 30 + 3.75 = 33.75

Therefore, after 3 hours of working, Kim would have made $33.75
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