Mathematics, 20.04.2020 15:46, vvvvvvvv84

A textbook store sold a combined total of 448 physics and biology textbooks in a week. The number of biology textbooks sold was 66 less than the number of physics textbooks sold. How many textbooks of each type were sold?

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A textbook store sold a combined total of 448 physics and biology textbooks in a week. The number of...