Roxy and Randy are selling pancake breakfast plates to raise money for a class trip. Roxy is selling plate for $5.00 and has already raised $175. Randy is selling plates for $3.50 and has already raised $250. If Roxy and Randy raised the same amount, how many plates did they sell?

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

step-by-step explanation:

what is the figure? attach a picture.

the answer is b.

64

step-by-step explanation:

c=2πr=2·π·8≈64