SOLUTION: Sarah knew that forty percent of the mixture was calcium. If 300 kilograms of other elements was used, what was the total weight of the mixture?

SOLUTION: Sarah knew that forty percent of the mixture was calcium. If 300 kilograms of other elements was used, what was the total weight of the mixture?

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Question 122197: Sarah knew that forty percent of the mixture was calcium. If 300 kilograms of other elements was used, what was the total weight of the mixture?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Let x be the total weight of the mixture.
.6x=300
.6x/.6=300/.6
x=500 kg.
.
Ed
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