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March 29, 2015

March 29, 2015

Posted by **Dottie** on Tuesday, September 11, 2012 at 5:09am.

a. Find the ratio of the mass of the first piece of meat to that of the second piece of meat to that of the third piece of meat.

b. What is the ratio of the mass of the second piece of meat to the total mass of the three pieces of meat?

c. What fraction of the total mass of the three pieces of meat was the mass of the third piece of meat?

- Math -
**Reiny**, Tuesday, September 11, 2012 at 8:57amthird piece ---- x

2nd piece = (4/7)x

1st piece = (5/8)(4/7)x = (5/14)x

a) ratio of 1st : 2nd : third

= (5/14)x : (4/7) : x

= 5/14 : 4/7 : 1

= 5 : 8 : 14

b) do the same way

c) add up the 3 pieces

x + (4/7)x + (5/14)x

= (14x + 8x + 5x)/14 = (27/14)x

first : total = (5/14) x : (27/14) x

= 5 : 27

check my arithmetic

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