Four friends were born in consecutive years. The sum of their ages is 94. What is the age of the oldest friend?

Let x, x+1, x+2, x+3 are the ages of four friends which were born in consecutive years. Hence, the age of the oldest friend is 25 years.

Step-by-step explanation:

whatever you can spend with $11.53 or under.

step-by-step explanation:

20 - 8.47 = 11.53. take away the money he used for lunch from the starting amount of 20.