Nathan is playing a trivia game. Each correct answer is worth 2 ½ points, and each incorrect answer is worth -¼ points. If he gets 35 questions correct and 32 questions incorrect, how many points does he have?

A. 87.5
B. 79.5
C. 75
D. 8

Correct answer:

x =  79.5

Step-by-step explanation:

a=212=2+12=2 2+12=52=2.5 b=1/4=14=0.25  x=35 a+32 b=35 2.5+32 (0.25)=1592=7912=79.5

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