A stand was selling 8 mangos for $10 at a farmers' market. Keisha said, "That means we can write the ratio 10:8, or $1.25 per mango."
Luis said, "I thought we had to write the ratio the other way, 8:10, or 0.8 mangos per dollar."
Who is correct, and why? Can we write more than one ratio for this situation? Explain why or why

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step-by-step explanation:

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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)

32

step-by-step explanation: