The sum of two numbers is 88. The second number is three times as large as the first number. What are the numbers?

1 Answer
Sep 15, 2016

You have two numbers, #x# and #y#, that add to #88#. So...

#x + y = 88#

You are told that the second number, #y#, is three times as large as the first number, #x#. So #y = 3 * x = 3x#. Therefore:

#x + y = x + 3x = 4x = 88#

So, #color(blue)(x = 22)#.

That means #color(blue)(y = 66)#.