Answer:


Step-by-step explanation:
Given
A circular ring
Required
The length
Let
the radius of the ring
The length is calculated by calculating the circumference of the ring.
This is calculated using:

or

Where
diameter
and 
Answer: 6 cups of ketchup per cup of mustard
Step-by-step explanation:
Given : The recipe calls for 3 cups of ketchup for every
cup of mustard.
That means , for
cup of mustard. we need 3 cups of ketchup.
By using proportions, if we multiply 2 on both sides ,we get
for
cup of mustard. we need
cups of ketchup.
⇒ for
cup of mustard. we need
cups of ketchup.
Hence, the required rate = 6 cups of ketchup per cup of mustard
What line i really dont see nothing