A set of algebra and college algebra questions

A set of algebra and college algebra questions, with answers, similar to the questions in the compass math test are presented. The answers to the suggested questions are at the bottom of the page.
If a number x is increased by one 1/4 of itself, which of the following expressions represents the new number?

A) x + 1/4
B) x + 0.25
C) x + 0.25x
D) 4 x - 0.25
E) x/4
(5 + 1/5)x = 6, find x.

A) 1(2/