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Last year, Trey opened an investment account with $8800. At the end of the year, the amount in the account had decreased by 6.5%. How much is this decrease in dollars? How much money was in his account at the end of last year?Decrease in amount:$Year-end amount:$

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ANSWER

[tex]\begin{gathered} decrease=572 \\ Year-end\text{ amount=8228} \end{gathered}[/tex]

EXPLANATION

Initial amount is $8800

percentage decrease is 6.5%

Decrease amount (in dollars );

[tex]\begin{gathered} \frac{6.5}{100}\times8800 \\ =6.5\times88 \\ =572 \end{gathered}[/tex]

The amount of money in the account at the end of last year= Initial amount - decrease

[tex]\begin{gathered} A=8800-572 \\ =8228 \end{gathered}[/tex]

Decrease in amount: $572

Year-end amount: $8228

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