The cost in dollars to print n books is 500 + 10n. how many books are printed for a cost of $15 000?
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Cody worked 42.5 hours per week in july. this is 12.25 hours more per week than he worked in june.how many hours did cody work per week in june?

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?