Question

Which variable expression represents the phrase three times the sum of twice a number and 3

Answer 1

As per the statement: Three times the sum of twice a number and 3.

Let the number be x;

"Twice a number" means 2x

"Sum of twice a number and 3" means 2x + 3

and

"Three times the sum of twice a number and 3" means
`3 * (2x+3)`

Then, as per the statement:

Then, the given phrase which represents the variable expression is,
`3(2x+3)`