1/10 of 800 = 80
1/10 of 50 = 5
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9514 1404 393
Answer:
5450
Step-by-step explanation:
Put 9% where r is in your formula and evaluate it. Of course, you must use the decimal equivalent.
5000(1 +9%) = 5000(1.09) = 5450
The account will have 5450 in it at the end of the year.
All you do is subtract what John is spending from the amount he has. 20.43-15.39= $5.04