How do you evaluate 18- [ 12\div ( 15\div ( 8- 7- 4) ) + 6\}?

1 Answer

14.4

Explanation:

Remember: PEMDAS

Start with (8-7-4) = -3

The expression would look like: 18 - [12 divide (15 divide -3) + 6]

2nd: 15 divided by -3 is 15/-3=-5

The expression would look like: 18 - [12 divide -5 + 6]

3rd: 12 divided by -5 is 12/-5=-2.4

4th: -2.4 + 6 = 3.6

The expression would look like: 18 - 3.6

5th: 18 - 3.6 = 14.4