Problem Solving: The sum of three consecutive numbers is 93. What is the difference between the largest and the smallest number?

Correct answer:

x =  2

Step-by-step explanation:

a+b+c=93  b=a+1 c=b+1 = a+2 = a+x  x=ca = a+2  a  x=2   Verifying Solution:   a+(a+1)+(a+2)=93  3a=90  a=390=30  a=30  b=a+1=30+1=31 c=b+1=31+1=32 x2=ca=3230=2

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