A textbook store sold a combined total of 354 history and sociology test books in a week. The number of history textbooks sold w
as two times the number of sociology textbooks sold. How many textbooks of each those were sold?
2 answers:
Answer: History textbooks sold = 236, Sociology textbooks sold = 118
Step-by-step explanation:
<u>Given</u>
- There are in total 354 books
- Let x be the number of sociology textbooks sold
- Let 2x be the number of history textbooks sold
<u>Solve</u>
Given
x + 2x = 354
Combine like terms
3x = 354
Divide 3 on both sides
3x / 3 = 354 / 3
x = 118
2x = 118 × 2 = 236
Hope this helps!! :)
Please let me know if you have any questions
<u>Answer:</u>
<h2>
sociology textbooks = 118</h2><h2>
history textbooks = 236</h2>
<u>Explanation:</u>
sociology textbooks = 2 × history textbooks
354/3 = 118
sociology textbooks = 118
history textbooks = 118×2 = 236
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