Answer:
17
Explanation:
1) Convert 6 4/5 to improper fraction. Use this rule: a b/c = ac + b/c.
- 6 * 5 + 4 / 5 ÷ -2/5
2) Simplify 6 * 5 to 30.
-30 + 4 / 5 ÷ -2/5
3) Simplify 30 + 4 to 34.
-34/5 ÷ -2/5
4) Use this rule: a ÷ b/c = a × c/b
-34/5 * 5/-2
5) Cancel 5.
-34 * 1/-2
6) Simplify 34 * 1/-2 to 34/-2.
-34/-2
7) Move the negative sign to the left.
-(-34/2)
8) Simplify 34/2 to 17.
-(-17)
9) Remove parentheses.
17