a costume uses 5/6 yard of ribbon. you have 9 costumes to make. how many yards of ribbon fo you need?
2 answers:
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Theres a formula to find the midpoint it’s... (x1+x2)/2, (y1+y2)/2. You fill in the x’s and y’s to get (-5+7)/2 for x, which equals 1 and (4-5)/2 to get -0.5. (1, -0.5) is your answer
