Which is a better deal: A 10 inch diameter pizza for $8 or a 15 inch diameter
pizza for $16

Step-by-step explanation:

Whichever one has the greatest area for the cost would be the best value. The area of the first pizza is

so

A = 25(3.14) and

A = 78.5 inches squared

Let's find the cost per square inch:

which is just over ten cents per square inch.

For the other pizza:

so

A = 56.25(3.14) and

A = 176.625 inches squared. Let's find the cost per square inch of this one:

This one costs 9 cents per square inch, so it's the better deal. Not by a whole lot, but a better deal nonetheless.

step-by-step explanation:

step-by-step explanation:

gym b charges $1.05 less per hour than gym a.