Kenzie purchased three dvd and one music cd. the cd cost kenzie $12.99. if he paid the same amount for each dvd and spent 42.96,how much did each dvd cost.

Neveah and clint are baking muffins for the bake sale. they need to bake 30 muffins for their display case. clint has baked 4 so far, and neveah has baked 7. how many muffins (m) do they have left to bake? show your work!

The sum of two numbers is 86, and their difference is 20. find the two numbers

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