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The problem states that Jacob buys 2 bags of chocolate chip cookies, and each bag contains 10 cookies. The variable $c$ represents the total number of cookies Jacob buys. We need to determine the equation that can be used to find $c$. The options are $2 \times 10 = c$ and $2 + 10 = c$.

ArithmeticMultiplicationWord ProblemBasic Operations
2025/3/6

1. Problem Description

The problem states that Jacob buys 2 bags of chocolate chip cookies, and each bag contains 10 cookies. The variable cc represents the total number of cookies Jacob buys. We need to determine the equation that can be used to find cc. The options are 2×10=c2 \times 10 = c and 2+10=c2 + 10 = c.

2. Solution Steps

Since Jacob buys 2 bags and each bag has 10 cookies, the total number of cookies is the number of bags multiplied by the number of cookies in each bag. This corresponds to a multiplication operation. Therefore, we should multiply 2 by 10 to get the total number of cookies, which is cc. So, the equation is 2×10=c2 \times 10 = c.
The other option, 2+10=c2 + 10 = c, would mean that Jacob only had 2+10=122+10 = 12 cookies, implying that the total number of cookies is the sum of the number of bags and the number of cookies in each bag, which is incorrect.

3. Final Answer

2×10=c2 \times 10 = c

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