SOLUTION: here is my problem: the density of salt is 2.16g/cm^3 an empty cupboard salt canister weighs 28g, is 13.6 cm tall and has a 4cm radius. how much will a filled canister weigh? i

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: here is my problem: the density of salt is 2.16g/cm^3 an empty cupboard salt canister weighs 28g, is 13.6 cm tall and has a 4cm radius. how much will a filled canister weigh? i      Log On

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Question 107589: here is my problem: the density of salt is 2.16g/cm^3 an empty cupboard salt canister weighs 28g, is 13.6 cm tall and has a 4cm radius. how much will a filled canister weigh? i have the answer in the back of my textbook but i would like to know what steps that i need to take to get an answer.
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Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
FIRST WE NEED TO FIND THE VOLUME OF THE CANISTER.
BASE=PIr^2
BASE=3.14*4^2
BASE=12.56 CM^2.
VOLUME=BASE*HEIGHT
VOLUME=12.56*13.6
VOLUME=170.8 CM^3.
2.16*170.8=368.96 GRAMS OF SALT
368.96+28=396.96 GRAMS FOR THE COMBINED WEIGHT OF THE CANISTER PLUS THE SALT.