Q:

Monika is running around a park on a trail that is 7 miles long. The number of mile Monika has run, d, after t minutes is modeled by the equation shown.d= 1/15t + 1Mark is running around the same trail and starts at the same time as Monika. His speed is 3/4 as fast as Monika's speed, and he starts a mile behind her.Graph the equation that models Mark's run at this speed.

Accepted Solution

A:
[tex]d = \frac{1}{15}t + 1 \\ \\ 1. \: d = \frac{t}{15} + 1 \\ 2. \: d -1 = \frac{t}{15} \\ 3. \: (d - 1) \times 15 = t \\ 4. \: 15(d - 1) = t \\ 5. \: t = 15(d - 1)[/tex]