Dog walker a charges $15 each day and initial set up fee of $40. dog walker b charges $20 each day and an initial set up fee of $25. when will the two dog walkers cost the same, and what will that cost be. (hint: y=mx+b

Part a) The two dog walkers cost the same when the number of days is equal to 3

Part b) The cost for 3 days will be $85 for the two dog walkers

Step-by-step explanation:

Let

x ----> the number of days

y ---> the total cost in dollars

we know that

The linear equation in slope intercept form is equal to

where

m is the slope or unit rate of the linear equation

b is the y-intercept or initial value of the linear equation

we have

Dog walker A

The slope or unit rate is equal to

The y-intercept or initial set up fee is equal to

substitute

-----> equation A

Dog walker B

The slope or unit rate is equal to

The y-intercept or initial set up fee is equal to

substitute

-----> equation B

Equate equation A and equation B

therefore

The two dog walkers cost the same when the number of days is equal to 3

Find the cost y for x=3 days

substitute in any equation (equation A or equation B)

equation A

equation B

the cost is the same in both equations ---> is correct

b

step-by-step explanation:

i got 142 as my answer

step-by-step explanation: