Answer:
The expression represents the amount of money in the bank account after the increase is: x=1.158n.
Step-by-step explanation:
With the information provided, you can say that the amount of money in the bank after the increase would be equal to multiplying the amount at the beginning of the year for the result of adding up 1 plus the percentage of the increase, which would be:
x=n*(1+0.158)
x=n*1.158
x=1.158n, where:
x is the amount of money in the bank account after the increase
n is the amount of money at the beginning of the year
First you had to switch sides of equation.

Then you divide by two from both sides of equation form.

Simplify.

Next, subtract by i from both sides of equation form.

Finally, simplify by equation.

Final answer: 
Hope this helps!
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-Charlie
Hello :

let :

so :

<span>the inverse of </span>

is :
<span>Whole number means that we cant use coma, so </span>smallest six digit whole number is 100000 and the greatest four digit is 9999.
Now we have to just subtract 100000 and 9999 to see the difference, so
100000-9999=90001 - its the result.