Class A was given a sunflower with a height of 8 centimeters that grows at a rate of 3 1/2 centimeters
per week. Class B was given a sunflower with a height
of 10 centimeters that grows at a rate of 3 1/4
centimeters per week. After how many weeks are the
sunflowers the same height?

answer: d. $20

step-by-step explanation:

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step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.