Question

What is the value of the ratio of the surface area to the volume of the right prism?




A.
1.4


B.
1.07


C.
0.94


D.
0.7

Answer 1

https://www.dropbox.com/s/5t8h447lp8lnjxn/Screenshot%202015-06-06%2014.49.31.png?dl=0

Answer 2

here the volume of your prism is:
V=6*5*3=...

Answer 3

30 x 3 = 60

Answer 4

30*3=...

Answer 5

90 oops

Answer 6

ok! :)

Answer 7

whereas the total surface is:
A=2*(6*5+6*3+5*3)=...

Answer 8

678

Answer 9

here is the next step:
A=2*(30+18+15)=...

Answer 10

126

Answer 11

ok!

Answer 12

so the requested ratio is:
126/90=...

Answer 13

1.4

Answer 14

correct! :)

Answer 15

:D

Answer 16

Thank you!

Answer 17

:)