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75% of the kids in Susana’s class ride bikes, and 30% ride skateboards, but 15% ride neither. What

percent of the kids ride both?

 May 7, 2020
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You can draw a venn diagram to help....

 

Assume there is 100 kids   (100%)

 

75 + 30 + 15 = 120     there is 20 too many      20 % must ride both

 May 7, 2020

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