Zoe wrote 3/5 of her essay in 30 minutes. assuming she wrote the paper at a constant rate the entire time, which expression can be used to determine the fraction of her essay she wrote each minute?

Ok, so we know that zoe wrote 3/5 of her essay in 30 minutes.

Now, assuming she wrote the paper at a constant rate, then if we divide those 3/5 in 3, we get 1/5 + 1/5 + 1/5, t we also divide the time by the same number, then:

1/5 + 1/5 + 1/5 = 10m +10m +10m

so she wrote a 1/5 of her essay in 10 minutes.

if we divide by 10 this time, we get 1/50 = 1 minute.

then she wrote 1/50 of her essay per minute.

step-by-step explanation:

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a. she will receive a refund of $278.

step-by-step explanation: