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Mathematics, 17.09.2019 08:10 Cmpine

The teacher kept track of how long it took students to finish a test. after 80 minutes, a total of 10 students had finished the test. after 90 minutes, a total of 11 students had finished the test.
how many students finished taking the test between 30 and 40 minutes?
a. 0
b. 1
c. 2
d. 4


The teacher kept track of how long it took students to finish a test. after 80 minutes, a total of 1

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Answers: 1

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The teacher kept track of how long it took students to finish a test. after 80 minutes, a total of 1...

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