The cost of both companies would be same if it takes 3 hours to paint the house.
A linear equation is in the form:
y = mx + b
Where y,x are variables, m is the rate of change and b is the y intercept.
Let y represent the total cost of decoration for x hours.
For Designs USA:
y = 35x + 60
For Splash of color:
y = 55x
For both cost to be the same:
35x + 60 = 55x
x = 3 hours
The cost of both companies would be same if it takes 3 hours to paint the house.
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