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notsponge [240]
3 years ago
15

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?
Mathematics
2 answers:
olga55 [171]3 years ago
8 0

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

dezoksy [38]3 years ago
4 0

<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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