Respuesta :

Answer:

4 + 3x

Step-by-step explanation:

Let the number = x

Product of three and a number = 3*x = 3x

Sum of four and 3x = 4 + 3x

Answer:

4 + 3x

Step-by-step explanation:

Sum means adding

Product means multiplication, which is three and a number (let's put x)

This means that 4 plus 3 times x, which is 4 + 3x