The sum of three consecutive numbers is 42. What is the biggest of these numbers?

1 Answer
MrsRudolph221
Jan 30, 2017

You can represent consecutive numbers as x, x+1, and x+2.

Explanation:

Add the expressions together: #x + x + 1 + x + 2 = 42#
and solve: #3x + 3=42#
subtract 3: #3x = 39#
divide by 3: #x = 13# so #x+1 = 14# and #x+2 = 15#.

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