Answer
(a) -8.35 + +5 = -3.35
(b) -8.55 + +5.3 = -3.25
(c) -8.65 + +5.25 = -3.4
Explanation
Given:
-8 + 5 = -3
So,
(a) -8.35 + +5 = ?
+ x + = +
∴ - 8.35 + 5 = -3.35
(b) -8.55 + +5.3 = ?
+ x + = +
-8.55 + 5.3 = -3.25
(c) -8.65 + +5.25 = ?
+ x + = +
-8.65 + 5.25 = -3.4
