Name: Jessica
Who is asking: Other
Level of the question: Middle

Question: (5 + 10) x 2 - 10 =

 

Hi Jessica,

First you perform the operations inside the parentheses.

(5 + 10) x 2 - 10
= (15) x 2 - 10

Then the multiplication

(15) x 2 - 10
= 30 - 10

and finally the subtraction

30 - 10 = 20

Penny