1) Melissa will participate in a charity walkathon. Her mother will donate $10 for Melissa's
participation plus an additional $2 for each mile that Melissa walks.
a) If Melissa walks 15 miles, what will be the amount of her mother's donation?

$40

Step-by-step explanation:

we know that

The linear equation in slope intercept form i equal to

where

y is the amount of her mother's donation

x is the number of miles that Melissa walks

where

m is the slope

b is the y-intercept

In this problem

The slope is

The y-intercept is

substitute

so

For x=15 miles

substitute

22.83 repeating

step-by-step explanation:

137 ÷ 6 is 22.8333333 therefore we understand that 3 is repeating.

happy to

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step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya