Question

Three friends all have ages that are consecutive integers. The sum of their ages is 180. What is the age of the oldest friend?

Answer 1

Answer:61 years old

Explanation:

X+2=59+2=61 ANSWER: Oldest friend is 61.

X+2=59+1=60 Middle friend is 60.

CHECK:

Sum is 180

59+60+61=180

180=180

Answer 2

X+(X+1)+(X+2)=180
3X+3=180 Subtract 3 from each side.
3X=177 Divide each side by 3
X=59 Youngest friend is 59.

X+2=59+2=61 ANSWER: Oldest friend is (61 )
X+2=59+1=60 Middle friend is 60.
CHECK:
Sum is 180
59+60+61=180
180=180