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avatar+29 

  

During bowling practice, Marley rolled 14 strikes out of 70 attempts.
What percent of Marley’s attempts were strikes? Enter your answer in the box.

 Jan 9, 2018
 #1
avatar+101870 
+2

14  / 70   =   x  / 100         cross-multiply

 

14  *  100   =  70 * x

 

1400    =   70 * x         divide both sides by 70

 

20  =  x   =   20%    were strikes

 

cool cool cool

 Jan 9, 2018
 #2
avatar+29 
+1

Thanks

 Jan 9, 2018
edited by JuanitoAsks  Jan 9, 2018
edited by JuanitoAsks  Jan 9, 2018
 #3
avatar+101870 
+1

The part  = ( Some %)  * ( The Whole )

 

So....

 

"B"  is correct

 

cool cool cool

 Jan 9, 2018

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