Answer:
Account 1 yields greater return.
Step-by-step explanation:
Lets solve for the first formula:

First, change 6.5% into a decimal:
6.5% ->
-> 0.065
Now, plug in the values for Account 1:


<u>Now solve for Account 2:</u>
Change 6% into a decimal:
6% ->
-> 0.06
Now plug in the values:


Account 1 yields better money after 10 years.
Answer:
x = 48
Step-by-step explanation:
since it's x/6, to get rid of the 6 you have to mutiply
so you times each side by 6, 8 multiplied by 6 is 48
so x = 48
Answer:
27 years old
Step-by-step explanation:
Let Alvin's age be x and Elga's age is y:
y - x = 15
x + y = 27
2y = 42 (use elimination method)
y = 21
x = 6 (plug it back into either equation)
Therefore Alvin is 6 and Elga is 27
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