In his first school year, leo contributed $13,468 toward college expenses. in his second school year, the expenses are expected to increase by 4%. what is the approximate minimum amount leo should expect to contribute in his second school year?

To find the amount to add to the previous year, you simply divide the percent by 100 and take that number to multiply with the tuition of the previous year.
4/100=.04
.04*13468=538.72
to get you final answer, you add the two together.
13,468+538.72=14,006.72
So his new expense would be $14,006.72.

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