f one pump can inflate an air mattress in 21 minutes and a second pump can inflate the same mattress in 42 minutes, find the am
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You can answer this problem using the midpoint formula, but we can work out the 4th vertex by just logically thinking it through by first drawing out the rhombus on an x-y coordinate plane. I wrote the answer out on paper since it is easier than typing. Let me know if you have any questions.
