Middle School

Kiara tutors 20 hours each month at the library. She tutored for [tex]2 \frac{1}{3}[/tex] hours the first week and 1.5 hours the second week. How many more hours does she need to tutor this month?

Answer :

Answer:

17.1 hrs

Step-by-step explanation:

If she tutored 2 1/3hours the first week and 1.5 hours the second week .

That’s 2 1/3 hrs + 1.5hrs

Change 2 1/3 to improper fraction. It becomes

7/5 = 1.4 hrs

1.4 hrs + 1.5 hrs = 2.9 hrs

So she’s tutored 2.9 hrs in the first 2 weeks

Hours remaining for her to tutor this week = hours she tutors every month - hours already done this month

That’s 20 hrs - 2.9 hrs

= 17.1 hrs

She has 17.1 hours more to tutor this month

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