Respuesta :

7+14m

Explanation

Step 1

Let

m represents Marbel's age

Then,

the product of 14 and Mabel's age=

[tex](m\cdot14)=14[/tex]

now, Seven more than the product of 14 and Mabel's age

then

[tex]7+(m\cdot14)=7+14m[/tex]