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      please help me write an algebraic expression equation.   then solve these percent problems.


A $150 leather jacket is going on sale for a 25% discount. How much will the jacket cost on sale?

Jim brought 3 CD's at a cost of $14.99 each. What will he pay including 7% sales tax?



Answer :

[tex]p\%=\frac{p}{100}\\\\100\%-25\%=75\%=\frac{75}{100}=0.75\\\\0.75\times\$150=\$112.50\leftarrow answer\\=======================================\\100\%+7\%=107\%=\frac{107}{100}=1.07\\\\1.07\times3\times\$14.99\approx\$48.12\leftarrow answer[/tex]
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Peppapig20

Answer:

the other person is correct!!!!

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