7 Answers

It is the sum of the integers from 141 minus the sum of the integers from 124 divided by 17
the sum of the integers from 141 is (42)(45)/2 = 861
the sum of the integers from 124 is (24)(25)/2 = 300
(861300)/17 = 33
The answer is 33

25 + 41= 66/2= 33

33
25 to 41 is 16/2 is 8
so 25 plus 8

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33

In Chemistry class, Andrew has earned scores of 64, 69, and 73 on three tests. He must maintain an average of 70 to pass the course. What score must Andrew earn on the final exam to pass the course?