25/14 cup of butter are required to make 10 dozen cookies.
Step-by-step explanation:
Cup of butter required to make 4 dozen cookies = 5/7
To find 1 dozen cookies :
Rate = Cup of butter required / number of dozen
Let, the cup of butter for 1 dozen be'x'.
⇒ (5/7) / 4 = x/1
⇒ x = 5/28
The cup of butter required for 10 dozen of cookies :
⇒ 10[tex]\times[/tex] (cup of butter for 1 dozen cookies)
⇒ 10[tex]\times\\[/tex] 5/28
⇒ 50/28
⇒ 25/14
Therefore, 25/14 cup of butter are required to make 10 dozen cookies.