Determine how many integer values of n will make the expression 5n + 3 an integer that is greater than 2 and less than 150.

Correct answer marked below

A

29

30

Correct

C

31

D

32

E

33

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Official Explanation

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We start with the inequality 2 < 5n + 3 < 150. Subtracting 3 from all parts gives us -1 < 5n < 147. Dividing the entire inequality by 5…

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?Jul 23, 2024

cheers!

What this question tests

Your ability to solve and combine linear inequalities and reason about ranges of values.

Failing to flip the inequality sign when multiplying or dividing by a negative, or missing an inclusive/exclusive endpoint.

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