Mathematics, 22.08.2021 01:30, karyme12

The time, t(in minutes), you need to type a certain paper varies inversely with the rate, r (word per minute), that you can type. When typing 40 words per minute, you can finish in 50 minutes. Find the constant of proportionality and write and equation relating t and r.

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The time, t(in minutes), you need to type a certain paper varies inversely with the rate, r (word pe...