Write an expression to represent the following: the product of 7 and a number decreased by 11. Evaluate the expression for n=15Show work!

Mathematics · College · Tue Nov 03 2020

Answered on

Let the number decreased by 11 is n

Then, 7 * (11-n)

77 - 7n

Now, for n = 15

77 - 7(15)

77 - 105

-28 

 

So, the value of expression is -28 for n = 15