The figure show the dimensions of a city park in feet.
1 answer:
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<h2>Answer:</h2>
Like you said, we need to use <u><em>substitution</em></u> to solve for y.
Now that we've solved for y, we can plug in the number we got into one of the <u><em>original</em></u> equations. (You can choose either equation, but I will use the first one.)
Now we have the solution of this system.
about $4
multiply the bill by 15% to calculate tip
tip = $26.51 × = 3.9765 ≈ $4