Homework Help: math

Posted by Anonymous on Tuesday, March 20, 2012 at 8:55pm.

Phillip made fudge that filled a 20-cm by 21-cm by 3-cm pan.

a)what is the volume of the fudge?

b)there are 30 bpeople in the class how much fudge will each person get?

c)How should the fudge be cut so that each person gets the same sized peice?

d)what are the dimensions of each peice of fudge?

thanks for the help

math - Ms. Sue, Tuesday, March 20, 2012 at 9:04pm
a)
V = 20 * 21 * 3
V = 1260 cubic cm

b)
1260/30 = 42 cubic cm

I'll be glad to check your answers for the other two.
math - Anonymous, Tuesday, March 20, 2012 at 9:13pm
for c) can you cut them in rectangles? with rows of 3 and colums of 14?

1260cm/42cm=30cm so i divided 42 by 3 and got 14.
math - Ms. Sue, Tuesday, March 20, 2012 at 9:20pm
Right. Each piece would be 14 by 14 by 3 cm.
math - Anonymous, Tuesday, March 20, 2012 at 9:21pm
d) 4.5 cubic cm because 21cm / 14=1.5*3 =4.5 cubic cm???

can you please confirm this?

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