Answer:
The baker made 3 batches of cookies using 5.25 cups of flour and the bakes made 180 cookies.
Explanation:
No. of batches of cookies uses 1.75 cups = 1
No. of batches of cookies uses 1 cup of flour =

No. of batches of cookies uses 5.25 cup of flour =

=

So, the baker made 3 batches of cookies using 5.25 cups of flour
Now we are given that 1 batch contains 5 dozen cookies.
1 dozen = 12 cookies
So, 5 dozen = 12*5 = 60 cookies
So, 1 batch contains 60 cookies
So, 3 batches contains amount of cookies =
Hence the baker made 3 batches of cookies using 5.25 cups of flour and the bakes made 180 cookies.