### Home > CAAC > Chapter 1 > Lesson 1.1.3 > Problem 1-25

1-25.

Try multiplying by a fraction equal to 1.

Rounding was not necessary.

Percent means 'per hundred' or 'out of a hundred'.

Try setting it up as a proportion to 100.

Multiply the top and bottom by 20 to make the denominatorequal to 100 and solve for x.

*x* = 80 so,

*x* = 80%