A restaurant charges ​$6.50

for a slice of pizza that is one fourth

of a pizza and ​$4.00

for a slice that is one sixth

of a pizza. One day they cooked 4

pizzas that were all the same size. If they sell all the​ slices, would they make more money by slicing each pizza into fourths

or sixths
​?
How much​ more? Explain.