Solving a Real-World Problem Involving Volume of a Sphere
A toy company produces rubber balls that have a radius
of 1.7 cm.
What is the volume of one rubber ball? Round to the
nearest hundredth of a centimeter.
20.58 cm3
If the price of the rubber needed to produce a ball is
$0.0045/cm3, what is the cost of producing one ball?
Round to the nearest cent.
$
If the company sells a ball for $0.50, how much profit
will it make on each ball?
$
1.7 cm
Intro
Done

“[the city’s engineers excelled in areas] neglected by the greeks, such as the construction of roads and aqueducts, and of sewers that could wash the filth of the city into the tiber. they have built paved roads throughout the country, leveling ridges and filling up hollows, so as to make possible the movements of heavily loaded wagons. . and such is the quantity of water brought in by the aqueducts, that veritable rivers flow through the city and its sewers: almost every house has cisterns, waterpipes, and copious fountains.” —strabo, as quoted in empires ascendant: time frame 400 b.c.–a.d. 200 cisterns are tanks that hold water until it is needed; if a house has a cistern, it is likely to also have a. aqueducts. c. a swimming pool. b. a fish pond. d. sinks and faucets.