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PAGE: 78SET: ExercisesPROBLEM: 9
Please look in your text book for this problem Statement

Samuel has in the bank.

He wishes to increase his account to a total of  by depositing per week from his pay check.

Write and use an equation to find how many weeks he needs to reach his goal.

Find an equation:

Let represents his depositing pay from his paycheck per a week.

He depositing  from his paycheck per a week is .

He has money in the bank.

His total account is .

His total account is equal to the sum of the he has money and depositinq pay check.

The equation is .

Sum of the ninteen hundred and thirty times of equal twentyfive hundred.

Find how many weeks he needs to reach his goal :

                                       (Orginal equation)

     (Subtract  from each side)

                                         (Apply additive inverse property : )

                                     (Divide each side by )

                                                (Cancel common terms)

Therefore, he reaches his goal in weeks.

Check :

          (Orginal equation)

     (Substitute in the equation)

          (Multiply)

                      (Simplify)

The equation is .

He reaches his goal in weeks.



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