sum of 3 consecutive integers is 144. what r the integers?

2 answers

144/3 = ?

Take it from there.
r = first number

r + 1 = second number

r + 2 = third number

r + r + 1 + r + 2 = 144

3 r + 3 = 144 Subtract 3 To both sides

3 r + 3 - 3 = 144 - 3

3 r = 141 Divide both sides by 3

r = 141 / 3 = 47

r + 1 = 48

r + 2 = 49

47 + 48 + 49 = 144