Mental Arithmetic: work the following exercises in your head. Do not calculate with a pencil or paper. Do not use a

decimal.

Think of the number seven.

Now add eight to it.

Now add four more.

Now subtract nine.

Now add three.

Your answer is

14

13

12

11

Question

Gavyn Massey

19 May, 13:34

+4

Answers (2)

Know the Answer?

Stella Maxwell · Answer 1

7 + 8

15 + 4

19 - 9

10 + 3

13

I know it said not to work it out on paper but here's how to get the answer.

Case Oconnor · Answer 2

The answer is the second option (13)

Mental Arithmetic: work the following exercises in your head. Do not calculate with a pencil or paper. Do not use adecimal.Think of the number seven.Now add eight to it.Now add four more.Now subtract nine.Now add three.Your answer is14131211