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.