Question

Francis is playing an online game. He has 25 points and earns 5 points for each puzzle he solves correctly. He will advance to the next round if his score is over 75 points. Which inequality can francis use to find how many more puzzles he must solve to advance to the next round? A. 5x + 25 < 75 B. 5x + 25 > 75 C. 25x + 5 > 75 D. 5x + 75 < 25

Answer 1

B. 5x + 25 > 75

Explanation:

Points available = 25

Additional points earned per puzzle =5

He will advance to the next round if his score is over 75 points.

This means, he will move unto the next stage of his points exceeds 75 or greater than 75

The inequality is:

25 + 5x > 75

It can also be written as

5x + 25 > 75

The correct answer is B. 5x + 25 > 75

5x + 25 > 75

5x > 75 - 25

5x > 50

x > 50 / 5

x > 10

A. 5x + 25 < 75

B. 5x + 25 > 75

C. 25x + 5 > 75

D. 5x + 75 < 25