To express the conditions based on the number of ink cartridges and pages for Sarah's printing of books and magazines, we can write the inequalities as follows:
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Ink Cartridges Inequality: Since each book requires 40 ink cartridges and each magazine requires 30 ink cartridges, the total number of ink cartridges used cannot exceed 300. This can be expressed as: \[ 40B + 30M \leq 300 \]
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Pages Inequality: Since each book requires 200 pages and each magazine requires 80 pages, the total number of pages used cannot exceed 1200. This can be expressed as: \[ 200B + 80M \leq 1200 \]
Thus, the two inequalities that represent the conditions are:
- \( 40B + 30M \leq 300 \)
- \( 200B + 80M \leq 1200 \)