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aniked [119]
3 years ago
9

A math teacher graded 45 problems in 3/5 of an hour. At that rate, how many problems can she grade in 1 hour?

Mathematics
2 answers:
ankoles [38]3 years ago
7 0

Answer:

75 questions

Step-by-step explanation:

45 ÷ \frac{3}{5} of an hour

\frac{3}{5} =36

45 ÷ 36 minutes

= 1.25

1.25 times 60 = 75 questions

Maurinko [17]3 years ago
3 0

Answer:

30

Step-by-step explanation:

3/5 = 60% so when you have 2/5 left it is 40% which is 2/3 of 45 and that is 30 problems a hour

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