Answer:
Part 1)

Part 2)

Part 3)

Part 4)

Part 5)

Explanation:
we have
Money in a particular savings account increases by about 6% after a year.
we know that
The simple interest formula is equal to

where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
Part 1) How much money will be in the account after one year if the initial amount is $100
in this problem we have

substitute in the formula above



Part 2) How much money will be in the account after one year if the initial amount is $50
in this problem we have

substitute in the formula above



Part 3) How much money will be in the account after one year if the initial amount is $200
in this problem we have

substitute in the formula above



Part 4) How much money will be in the account after one year if the initial amount is $125
in this problem we have

substitute in the formula above



Part 5) How much money will be in the account after one year if the initial amount is $x
in this problem we have

substitute in the formula above


