# math

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calvin buys 3/5 pound of ground beef. he divides the beef into 6 equal portions.
a)find the weight of 1 portion of beef.
b)fin the weight of 4 portions of beef.

• math - ,

3/(5*6) = 3/30 = 1/10 = 0.1
times 4 = 0.4

• math - ,

(3/5)/ 6 = (3/5) * (1/6) = 3/30 = 1/10

(1/10) * 4 = ?

• math - ,

1/40?

• math - ,

No.

That answer doesn't even make sense.

• math - ,

2/5

• math - ,

much better 2/5 = 4/10 = 0.4

• math - ,

Right.

4 portions weighs 2/5 of a pound.

• math - ,

I don't get how I did that

• math - ,

Both the numerator and the denominator of 4/10 are divisible by 2.

4/10 = 2/5

• math - ,

oh

• math - ,

1/10*4/1=4/10=2/5

• math - ,

Yay! You've got it!

• math - ,

devon buys a plot of land with the area of 5/6 square kilometer. he divides the land equally into 4 smaller plots of land. what is the total area of 3 of the smaller plots of land?

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(5/6) / 4
(5/6) * 1/4 = ______ total area of each of the plots

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3 not 4

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This is your first step:

he divides the land equally into 4 smaller plots of land.

Then take 3/4 of that number to answer the question.

• math - an easier way? - ,

(5/6) * (3/4) =

• math - ,

1/4

• math - ,

2 2/5

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