Homework Help: MATH

Posted by audrey on Tuesday, May 17, 2011 at 9:29pm.

There are 231 cubic inches in a gallon. A large juice can has a diameter of 6 inches and a height of 10 inches. How many gallons of juice does the can hold? Round your answer to the nearest tenth.

I am clueless please please help me!!!!

MATH - Math Nerd, Tuesday, May 17, 2011 at 9:34pm
First find the volume of the large juice can. Since the can is a cylinder, you would use the formula:

V=pir^2h
V=(3.14)(3^2)(10)
V=(3.14)(9)(10)
V=282.6

Divide 231/282.6 to get 0.817 gallons
MATH - Ms. Sue, Tuesday, May 17, 2011 at 9:38pm
Find the volume of the can (cylinder).

http://www.mathsteacher.com.au/year9/ch14_measurement/18_cylinder/cylinder.htm

Divide the volume of the can by the volume of the gallon.
MATH - audrey, Tuesday, May 17, 2011 at 9:51pm
so the answer is 0.817 gallons when you round to the nearest tenth?
MATH - darrel, Tuesday, May 17, 2011 at 10:14pm
THANK YOU so so so much!!
MATH - Math Nerd, Tuesday, May 17, 2011 at 10:37pm
The answer is 0.8 gallons when rounded to the nearest 10th.
MATH - Ms. Sue, Tuesday, May 17, 2011 at 10:37pm
0.817 is not rounded to the nearest tenth.

0.8
MATH - Amy, Wednesday, May 23, 2012 at 4:17pm
find the number of quarts in 73,458 cubic inches of water. There are 231 cubic inches in 1 gallon.
MATH - Math Rox, Tuesday, June 5, 2012 at 4:02pm
Answer is 1.2 gallons

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