Dried up:800(.10)=80 eggs

800(.70)=560 eggs

Total left:800-80-560=<<800-80-560=160>>160 eggs

160/4=<<160/4=40>>40 eggs survive to hatch

# Answer

40
Question:
A frog lays 800 eggs a year.  10 percent dry up, and 70 percent are eaten.  1/4 of the remaining eggs end up hatching, how many frogs hatch out of the 800?
Answer:
Let's think step by step.

user
40
A frog lays 800 eggs a year.  10 percent dry up, and 70 percent are eaten.  1/4 of the remaining eggs end up hatching, how many frogs hatch out of the 800?
train