SOLUTION: Use a porportion or the percent equation to answer the question. 28. 26 is 40% of what number? Any help with this equation would be <b>Greatly</b> appreciated.

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Let x=unknown number

Let's translate the sentence "26 is 40% of what number". Remember, the key word "is" means equals and "of" means multiply. So "26 is 40% of what number" becomes:

26=40%*x


Now divide 40 by 100 to change the percent into a decimal (ie 40%=


So our equation is now:



Now divide both sides by 0.40 to isolate x


Divide to get 65

So our unknown number is


Check:

Notice if we take 40% of 65 we get

65*0.40=26

So this verifies our answer.