Question 1209555
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Victoria goes to a store and buys an item that costs xx dollars. She has a coupon for 40% off, 
and then a 5% tax is added to the discounted price. Write an expression in terms of xx 
that represents the total amount that Victoria paid at the register.
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<pre>
    an expression in terms of xx 
    that represents the total amount 
    that Victoria paid at the register is   (1-0.4)xx + 0.05*(1-0.4)xx = 0.6xx + 0.05*0.6xx = 0.63xx.    <U>ANSWER</U>
</pre>

Solved.


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Simple things should be done in simple way.


Then they become even simpler than they were before.


Otherwise, they will become more complicated than they were before, 
which is not desirable.