### Home > MC2 > Chapter 5 > Lesson 5.1.2 > Problem 5-22

5-22.

Translate each of these situations into a variable expression such as those found in a magic number chart.

Think of a number and multiply it by seven.

Use

to represent any number you think of.What would the expression look like if you multiplied your number by

? Think of a number and divide it by eight.

See (a).

Think of a number and reduce it by ten.

What happens to a number when you reduce it by

? See (a).

Think of a number, add two, then multiply by five.

See (a).