Math test

In class 6.A are 26 students and the teacher had managed to give tests to 13 students. 13 testes he gave in 6.5 min.

How many pupils still haven't test?
How long will it take techer to give tests to 43 students?

Correct answer:

n =  13
t =  21.5 min

Step-by-step explanation:

t=436.5/13=21.5 min

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