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84 is 42 percent of what number

User BertLi
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1 Answer

5 votes


\text{Hey there!}


\text{84 is 42\% of what number?}


\mathsf{Let\ x\ be\ the\ unknown\ number}


\mathsf{42\%=(42)/(100)}=(42/2)/(100/2)=(21)/(50)


\mathsf{Simply\ both\ sides\ of\ the\ equation!}


\mathsf{(21)/(50)x=84}


\mathsf{MULTIPLY\ both\ sides\ by\ (50)/(21)}


\mathsf{(50)/(21)*(21)/(50)x=(50)/(21)* 84}


\mathsf{Cancel\ out: (50)/(21)*(21)/(50)\ because\ it\ gives\ you\ 1}


\mathsf{(50)/(21)*84\ because\ it\ SHOULD\ give\ you\ your\ answer}


\mathsf{If\ you\ solved\ correctly\ you\ should\ have\ found\ your\ answer!}


\checkmark\mathsf{\underline{x=200}}\checkmark


\boxed{\boxed{\mathsf{Thus\ your\ answer\ is: 200}}}\checkmark


\text{Good luck on your assignment and enjoy your day}!

~
\mathsf{\frac{\frak{LoveYourselfFirst}}{:)}}

User Quuxplusone
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