Question

Mrs Rivers can grade 8 math test in 10 minutes .What is the teachers unit rate in test per minute?

Answer 1

0.8 tests/1 min

Explanation:

to find unit rate divide the 8 math tests by the 10 mins (since the math test is affect by the amount of time)

8/10=0.8

so

0.8 tests/1 min

Answer 2

Answer: " 0.8 test per minute " .

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Explanation:

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8 tests per 10 minute = ? tests per 1 minute ;

Note: Unit rate ; is expressed as: "per 1 minute" ;

{that is: "per 1 unit of measurement" ;

or: "per single unit of measurement" .}.

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"8 tests per 10 minutes" = "8/10 test" per " 1 minute" ;

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"8/10" = " 8 ÷ 10 " = "0.8 " ;

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So: " 0.8 tests per 1 minute" ;

that is:

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" 0.8 tests per minute " .

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Hope this answer — and explanation — is helpful .

Best wishes!

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