True because of 15 and 20
The first option is correct.
You could do all the math to compare the final answers, but I looked at the part where you add. Using a standard algorithm, when going on to the next digit in the second number, you always add a 0 first. The rest of those options don't include a 0.
Your question is incomplete sir
Answer:
kkajjjssnensi
Step-by-step explanation:
hdhdb
jakakke
jjwjne
kakam