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Olivia Thoms sells surplus books to bookstores. She is paid a weekly commission of $1.50 each on the first 50 books she sells, $1.75 each on the next 100 books, and $2 on any books she sells over 150. Last week she sold 225 books. What was her commission for the week? 

Sagot :

381.25=225 books, anyways there you go