I took a quiz and I got the following question wrong:
"Five friends agree to save money for a graduation road trip. They decide that each of them will put $0.25 in the fund on the first day of May, $0.50 on the second day, $0.75 on the third day, and so on. At the end of May, there will be $_____ in their fund. (Hint: There are 31 days in May.)"
My answer was 124, but according to the quiz, the correct answer is 372. Can someone please explain how 372 is the answer?

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are u familiar with Arithmetic progression?

@amriju is that the same as arithmetic sequence? We're currently learning about that.

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