###### Exercise42

Translate the following phrase or sentence into a math expression or equation (whichever is appropriate). Use \(r\) to represent the unknown number.

The sum of three times a number and four is ninety-one.

Translate the following phrase or sentence into a math expression or equation (whichever is appropriate). Use \(r\) to represent the unknown number.

The sum of three times a number and four is ninety-one.