Marilyn has 28 Styrofoam cubes. She wants to stack them to form a pyramid. Each row will have one cube fewer than the one below it. How many cubes will be on the bottom row of the pyramid? Write to explain your thinking.

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

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step-by-step explanation:

mark brainliest!