SOLUTION: Preping for the Airforce Officer Qualifying Test (AFOQT) Please help with Geometry I have not taken geometry in twelve years and Im taking the test tomorrow; if you help me I wil

Question 400678: Preping for the Airforce Officer Qualifying Test (AFOQT)
Please help with Geometry I have not taken geometry in twelve years and Im taking the test tomorrow; if you help me I will be forever greatful and will remember your site when I make officer!!! here are some practice problems:
21. How many gallons of fuel will be contained in a rectangular tank that measures 2 feet in width, 3 feet in length, and 1 foot 8 inches in depth (7.5 gallons = 1 cubic foot)?
a. 110
b. 75
c. 66.6
d. 55
e. 45
22. A rectangular bin 4 feet long, 3 feet wide, and 2 feet high is solidly packed with bricks whose dimensions are 8 inches by 4 inches by 2 inches. The number of bricks in the bin is....
a. 54
b. 324
c. 648.
d. 1072
e. 1296

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
21. How many gallons of fuel will be contained in a rectangular tank that measures 2 feet in width, 3 feet in length, and 1 foot 8 inches in depth (7.5 gallons = 1 cubic foot)?
-----------
The volume in cubic feet = 2*3*(1 8/12)
V = 10 cf
Gallons = 10 cf * 7.5 gallons/cf
= 75 gallons
-----------
a. 110
b. 75
c. 66.6
d. 55
e. 45
22. A rectangular bin 4 feet long, 3 feet wide, and 2 feet high is solidly packed with bricks whose dimensions are 8 inches by 4 inches by 2 inches. The number of bricks in the bin is
Change the dimensions to inches.
4*3*2 ft = 48*36*24 cubic inches
V = 41472 cubic inches.
----------------
Each brick is 8*4*2 cu inch = 62
41472/64 = 648 bricks
a. 54
b. 324
c. 648
d. 1072
e. 1296

RELATED QUESTIONS
Hello, I finished school what seems like years ago. I have signed up to try and woth for... (answered by ptaylor)

I don't quite understand proofs. I need serious help because I have a geometry test... (answered by stanbon)

I dont understand clearly how to do geometry proofs working with isosceles triangles and... (answered by College Student)

I need help with these two, they're not in the textbook (GEOMETRY) they're on a review... (answered by Earlsdon)

okay, i am doing proofs in class and i have had three tests and failed them all. Not to... (answered by Mathtut)

Hello. I need help with geometric proofs in geometry. It is hard for me to understand the (answered by josgarithmetic)

i need to memorize everything for geometry in a 6th grade lsseon plz help i have a test... (answered by richard1234)

I am working on get my ged and I have not learn Algebra or Geometry. I just learned base... (answered by fractalier)

DESPERATE HELP NEEDED. Can anybody help me with grade 12 geometry? I have a grade 12... (answered by richwmiller)