6) A chemical company needs to paint fifty chemical tanks including the top and the bottom of the tanks. Each tank has a height of 12 ft and a diameter of 8 ft. Paint can be
purchased in 1-gallon cans or in 5-gallon cans that cost the same as 4 1-gallon cans.
Each gallon of paint will cover 350 square feet. How many of each should be purchased
to keep the cost of painting the tanks as low as possible? Use 3.14 for a.
A) 12 5-gallon cans and 3 1-gallon cans B) 11 5-gallon cans and 3 1-gallon cans
C) 12 5-gallon cans and 2 1-gallon cans D) 11 5-gallon cans and 2 1-gallon cans
OB
ОА
OC
о
D