Nora is a teacher and takes home 31 papers to grade over the weekend. She can grade at a rate of 6 papers per hour. How many papers would Nora have remaining to grade after working for 5 hours? ( show work )

Nora will have 1 page left to grade after working for 5 hours.

Step-by-step explanation:

Her constant is 6 papers per hour.

After 5 hours, she would grade 5x6 papers, which is 30 papers.

So we know she is going to grade 31 papers, and she has already done 30.

So 31-30=1, that means that she has 1 more paper left to grade.

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y=mx+b is the final answer!   : )

a. she will receive a refund of $278.

step-by-step explanation: