Mathematics, 27.04.2021 01:00 ldkfsjflksfjklrjetwo

A teacher divided the class into two groups of equal size. 3
of the first group are right-handed.
5
80% of the second group are right-handed.
What fraction of the class is right-handed?
A
100
B
4
5
С
7 그
10
D
5
7

Answers: 2

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A teacher divided the class into two groups of equal size. 3
of the first group are right-ha...