To model the situation with the correct pair of linear equations, we analyze the details:
- Let \( b \) represent the number of bags and \( c \) represent the number of caps.
- The total number of items (bags and caps) they plan to give away is 2,000.
- The cost of each bag is $10 and the cost of each cap is $5, with a budget of $12,500.
From this information, we can set up the following equations:
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The first equation represents the total number of items: \[ b + c = 2,000 \]
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The second equation represents the total cost of the bags and caps: \[ 10b + 5c = 12,500 \]
Putting it all together, the correct pair of linear equations is: \[ b + c = 2,000 \] \[ 10b + 5c = 12,500 \]
Thus, the correct response from the options provided would be:
- \( b + c = 2,000; \quad 10b + 5c = 12,500 \)