OGET TEACHER TEST PREP SEMINAR – NORTHERN OKLAHOMA COLLEGE
MATH COMPETENCIES
Example 39: D&J company estimates that it will cost $2.00 per square foot to paint the
gas tank. Which of the following expressions could be used to determine the total cost to
paint the top and the side of the tank?
a) (1200π + 100π)(2.00)
b)
1200
100
2 00
.
c) (1200π + 200π)(2.00)
d)
1200
200
2 00
.
Example 40: Find the surface area and volume of the rectangular prism shown in the
figure below.