The circumference of a circular rug is about 31.4 feet, and its area is about 78.5 feet. what is the
approximate radius of the rug?
a. 3.5 ft
b. 5 ft
c. 7 ft
d. 9 ft
e. 10 ft

Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 each week and puts the remaining money in his savings account. how many hours must he work this week to have at least an extra $50 to put in his savings account