Final answer:
Jane wrote (k - 4) numbers from 5 to k. This is calculated by subtracting 5 from k to find the count up to k - 1 and then adding 1 to include both endpoints, making the correct answer option c) k - 4.
Step-by-step explanation:
The question asks us to determine how many numbers Jane wrote if she wrote all numbers from 5 to a certain number k. To find this, we need to consider the starting point (5) and the ending point (k). When you list numbers consecutively, the total count of numbers is found by subtracting the smaller number from the larger number and then adding 1 to include the starting number in the count.
If we start with the number 5 and end with the number k, subtracting 5 from k gives us the number of steps from 5 to k-1. But since we need to include both 5 and k in our count, we add 1, getting (k - 5) + 1, which simplifies to k - 4. Therefore, Jane wrote (k - 4) numbers.
The correct answer is option c) k - 4.