Nadal invests $5678 at an annual interest rate of 4.5% for 6 years. For which variable can nadal substitute the value 5678 in th
2 answers:
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Answer:
47
Step-by-step explanation:
Let a, b, and c be those three numbers.
When two of the three numbers are added at a time, the possible sums are 32, 39, 23. Let
Add these three equations:
Divide this equation by 2:
The sum of all three numbers is 47.