Traveling along the x-axis, we have

On the other hand, along the y-axis we get

Therefore the limit doesn't exist.
In order to solve this exercise you need to remember the following symbols in Inequalities:
1. The meaning of this symbol is "Greater than":

2. The meaning of this one is "Less than":

3. The following symbol means "Less than or equal to":

4. And this one means "Greater than or equal to":

Knowing the above, you can determine that the statement "c is less than 6", can be written as the following inequality:

The answer is:
Answer:
Willhelm was solving a problem in which we had to find the answer to 10(6) and then 15(4). This is why he counted 10 6 times, and then 15 4 times. I hope this helps :)
Hi there
A)
Total expenses
1,850+400+600+500+850
+600+500+500=5,800
Amount saved each month
6,600−5,800
=800
B)
There are 12 months in a year. To find how many months in 13months
12months×13years=156 months
156months×800amount saved
=124,800
They will reach and exceed their goal