# How do you define a variable and write an expression for each phrase: the sum of one-half of a number and three fourths of the number?

##### 1 Answer

Feb 8, 2016

#### Explanation:

**Definition**

Let

**Writing the Expression**

"one-half of a number" means we need to multiply the number by

"three fourths of a number" means we have to multiply the number by

"the sum of " *something* "and" *something-else* means that we have to add the two thing together

Note that the multiplication symbol (