A textbook store sold a combined total of 312 history and psychology textbooks in a week. The number of psychology textbooks sol
d was 84 less than the number of history textbooks sold. How many textbooks of each type were sold?
1 answer:
Answer: History textbooks sold: 198
Psychology: 114
Step-by-step explanation: 312- 84= 228
228 divided by 2= 114
Add 84 to 114 to represent the history textbooks since they have more.
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