Question 273173
A total of k passengers went on a bus trip. Each of the n buses that were used to transport the passengers could seat a maximum of x passengers. If one bus had 3 empty seats and the remaining buses were filled, which of the following expresses the relationship among n, x, and k?
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That would be (A)
 no. of buses (n), times seats/bus (x), - 3 empty seats = total passengers (k)