Brandon and Adam both mow lawns to earn money. Brandon earns $375 mowing 15 lawns each week. Adam $500 dollars for mowing 25 lawns. A third friend, Joseph, earns a rate between Brandon and Adam. What is a rate that Joseph could be making? If Joseph mows 20 lawns how much would he earn at that rate?

c. y = 1/4 x + 5

step-by-step explanation:

first, put the equation of the line on the graph into slope-intercept form

(y = mx + b):   y = -4x + 8

second, a perpendicular line has to have "an opposite/reciprocal slope" to the original slope. so, find the "m" value in your original equation (it's -4, right? )

original slope: m = -4   perpendicular slope: change the sign to its opposite and find the reciprocal ("flip" the number)

new slope is now positive (b/c the original slope was negative 4), and it's 1/4 (not the original slope of 4 or 4/1)

they used 313 gallons of paint

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