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Sheldon can read 9 pages in 15 minutes. Penny can read 18 pages in 1 hour. Explain how you could use a table or graph to find how much longer it would take Penny to read a 720-page book than Sheldon.The first drop down is:special ratios unequal ratios equivalent ratios The second drop down is :ProductdifferenceSum

Sheldon can read 9 pages in 15 minutes Penny can read 18 pages in 1 hour Explain how you could use a table or graph to find how much longer it would take Penny class=

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