42.8 is the correct answer
Answer:
42.8
Step-by-step explanation:
First, add the whole numbers.
24 + 8 + 10 = 42
Then,add the decimals.
0.3 + 0.5 = 0.8
Finally, combine the decimals and whole numbers.
42 + 0.8 = 42.8
So, the answer is 42.8
