Converting Between Part-to-Part and Part-to-Total Ratios with Pictures

The video tutorial teaches how to convert between part-to-part and part-to-total ratios using visual aids. It explains how to identify hidden information within ratios and demonstrates the conversion process in both directions. The lesson emphasizes understanding the relationship between different parts of a group and the total, using examples and pictures to illustrate the concepts.

Explain how to write a part-to-total ratio from the part-to-part ratio of 5 boys to 2 girls.

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What are the two part-to-total ratios that can be derived from the part-to-part ratio of 5 boys to 2 girls?

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