The table shows the types of books a sample group of sixth- and seventh-graders prefer to read. ![](http://admin.getprephub.com/media/editor/f10_20230323220509174382.png) Find the ratio of seventh-graders who prefer to read biographies to all seventh-graders.

Total number of sixth-graders who prefer to read biographies $$=7$$ Total number of seventh graders $$=10+13+7=30$$ Required ratio $$=7: 30$$

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Question

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MCQ

The table shows the types of books a sample group of sixth- and seventh-graders prefer to read.

Find the ratio of seventh-graders who prefer to read biographies to all seventh-graders.

Select all that apply :

$7: 30$

$30: 7$

$11: 7$

$25: 9$

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