# How do you translate "one-hundred times a number K decreased by twenty" into a mathematical expression?

##### 1 Answer

Dec 29, 2015

#### Explanation:

Let we divide the expression in two parts

(i) One hundred times a number K

(ii) decreased by twenty

(i)

One hundred means 100, times means "multiplied by"

That means one hundred multiplied by K.

(ii) decreased means subtracted

So the full expression becomes