Raymond B. answered 07/19/22
Math, microeconomics or criminal justice
428/4 = 107 physics
428-107 = 321 psychology
321= 3(107
Debbie T.
asked 07/18/22A textbook store sold a combined total of 428 psychology and physics textbooks in a week. The number of psychology textbooks sold was three times the number of physics textbooks sold. How many textbooks of each type were sold?
Raymond B. answered 07/19/22
Math, microeconomics or criminal justice
428/4 = 107 physics
428-107 = 321 psychology
321= 3(107
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