(Write an equation and solve) The bill for coffee selling for $7/ib was $42. How many pounds of coffee were purchased
1 answer:
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First, we'll find the slope of the new line. The first line has a slope of . Take the negative reciprocal of this (Flip the numerator and denominator, then multiply by
) to get
for the new slope.
Then, we'll use the point-slope form to make the new equation, where is the slope and
is a point on the line:
