Answer: c)23
Explanation:
Solution Steps
(45−28)−(15−21)
Subtract 28 from 45 to get 17.
17−(15−21)
Subtract 21 from 15 to get −6.
17−(−6)
The opposite of −6 is 6.
17+6
Add 17 and 6 to get 23.
23
Hope this helps. :)
Answer:A 11
4.6m questions
6.0m answers