Question

331 students went on a field trip. six buses were filled and 7 students traveled in cars. how many students were in each bus?

what equation can be used to answer this question?

7x-6=331
6x-7=331
7x+6=331
6x+7=331

Explanation:

Define the variable

Using the Modeling Word Problems knowledge point
Let \(x\) represent the number of students in each bus.

Set up the equation

Using the Modeling Word Problems and Linear Equations knowledge points

$$ 6x + 7 = 331 $$

Answer:

• (A) \(7x - 6 = 331\)
• (B) \(6x - 7 = 331\)
• (C) \(7x + 6 = 331\)
• (D) \(6x + 7 = 331\) (Correct answer)