2 years ago

Help me please if you 100% know it:)

Mathematics

2 answers:

Dmitriy789 [7]2 years ago

5 0

Its 4 people because there are 2 who studied 4 hours, 1 who studied 5, and another one for 8.5, and 2 + 1 + 1 = 4

vichka [17]2 years ago

4 0

The answer is 4 because 2 studied for 4 hours and 1 studied for 5 hours and 1 studied for 8 hours. the number of students that studied AT LEAST 4 hours, so this would be described by the inequality x>=4

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