It need to be at least 50 ft long and 50 ft wide.
Answer:
Step-by-step explanation:

1 3/4 for each batch to make 2 1/2 batches you need to take the amount of raisins for one batch 1 3/4 and multiply it by 2 1/2 the amount of batches.
1 3/4*2 1/2= 4 3/8 cups of raisins
Answer:
First one is 6 16/21
Second one is 3 14/15
Step-by-step explanation:
No
it is irrational for that reason - it goes on without bound