My question is: To raise funds for her local soup kitchen, Didi enlisted the help of her family, friends, and neighbors. They donated 10 same-size cakes that she sliced into 8 slices per cake and started selling a slice for $1. A local business owner was so impressed by Didi's efforts that she offered to donate 50 cents for each slice Didi sold. A second business owner also offered to donate a quarter for each slice sold. If Didi sold all the slices, how much money did she raise? Your thoughts:
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All the cakes yielded 10 * 8 = 80 slices. Since Didi was selling each slice for $1, it means she sold everything for 80 * 1 = 80 dollars. The first business owner donated 50 / 100 * 80 = 40 dollars. The second business owner donated 25 / 100 * 80 = 20 dollars. Adding both amounts gives 80 + 40 + 20 = 140 dollars. The final answer: 140.
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