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Chapter 25: Solving with Style
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Chapter 27: Teaching a freind
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... alm composure of someone who knew he held the spotlight.
But deep beneath that calm exterior, hid a look of embarrassment and shyness.
"Alright, ummm, so the question asked us to compare simple interest and compound interest over five years using 10,000 pesos with a 2% annual rate."
He turned to the board and began writing as he explained.
"For Simple Interest, I used the formula I = P × r × t."
"The principal stays the same every year, so all I had to do ...
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