Question

Find -30 + (-15) + 70.
Select one:
a. 55
b. 25
c. -55
d.-25​

Answer 1

B

Explanation:

Note that + ( - ) is equivalent to -

Given

- 30 + ( - 15) + 70

= - 30 - 15 + 70

= - 45 + 70

= 25 → B