## help-123 2 years ago Jpe wants to fill a triangular prism shaped jar with jelly beans, If it will cost \$0.04 per cubic inch, how much willl Joe have to pay?

1. help-123

@tbmonkey

2. help-123

i will describe the image to you.

3. help-123

So, um, if you are facing upwards is that vertical?

4. TBMonkey

yes

5. help-123

so the triangular prism is facing vertically

6. help-123

the height of the base is 4 in

7. TBMonkey

the height of the base? or the length? bases don't have height

8. help-123

then on the sides of the base there are these lines, ans they say 5... so i guess each side measures 5 in?

9. help-123

oh, um, well, there is a line going upwards in the base of the prism...so wouldnt that b height?

10. help-123

its like a right triangle, and the 4 in is what the line at the middle measures

11. TBMonkey

yes it height but of a side not the base(:

12. TBMonkey

ok so the height is 4 in? what are the other measurements?

13. help-123

ohh. its. just that since that was inside the base..,but mk:)

14. help-123

i think the left and right sides of the base each measure 5 in

15. TBMonkey

ok hang on

16. help-123

and the height of the wholr prism 7 in. then inside theres a measurement of 6

17. TBMonkey

should be 50

18. help-123

and its kinda like the rectangular prism shown at http://intermath.coe.uga.edu/dictnary/descript.asp?termID=275

19. help-123

the volume should be 50?

20. TBMonkey

yes

21. help-123

mk. did u c the link tho?

22. TBMonkey

so do 50 * 0.04 and yea saw the link

23. help-123

mk so u c on the inside, at the left, thats where the six is sposed to b

24. help-123

so itd cost joe 2 dollars to pay for thr jar?

25. help-123

i got 2.8 earlier for sm reason. but mk,tnx:)

26. help-123

can u help me witha few more?

27. TBMonkey

yea sure

28. help-123

thanks tb

29. TBMonkey

no problem!(:

30. help-123

ill post em

31. help-123

also, could u explain how u got the answer (\$2.00)?

32. TBMonkey

volume is 1/2*L*W*H so 1/2*5*5*4=50 *0.04(:

33. help-123

thanks so very much once more!

34. help-123

:)))))))))

35. help-123

hmmm,, so you would not actuLly use the 6?

36. TBMonkey

not in this problem

37. help-123

ah. mk:)