Can you please add a picture of the problem or type all the measurements and information?
Answer:
0 (zero)
Step-by-step explanation:

154 + 74 = 228 is the answer.
260 bagels in 10 hrs.....260/10 = 26 bagels per hr <== unit rate
if they can bake 26 bagels per hr.....in 24 hrs, they can bake (24 * 26) =
624 bagels