Nancy orders computer tables from a furniture showroom that charges $65 per table and an additional $30 for transportation. Rita
orders the same kind of tables from a different showroom that charges $70 per table and an additional $20 for transportation. If they pay the same amount, how many tables did each buy?
Circumference of a circle is 2πr, and since AB is 14(the diameter), splitting that in half gets 7 (the radius). Plug that into the equation and you get: