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5.) Isaac used 1/4 of a ounce of nuts to make 1/12 pound of cake. How many ounces of nuts are needed to make a cake?

 

6.) Samuel used 1/5 of an ounce of butter to make 1/15 of a pound of jelly. How many ounces of butter are needed to make a pound of jelly?

 

7.) Jacob used 1/7 of a liter of water to fill 1/9 of the fish aquarium. How many liters of water are needed to fill the aquarium?

 
Guest Sep 15, 2017
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5) 

(1/4) / (1/12) = x / 1 cross multiply

1/4 = 1/12 x                divide both sides by 1/12

x =1/4 / 1/12

x =1/4 x 12/1

x =12/4

x = 3 ounces of nuts.   

 

6 - do exactly the same as in 5 above and you should get 3 ounces of butter.

 

7- do exactly the same here. You should get 1 2/7 liters of water.

 
Guest Sep 15, 2017

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