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Step2247 [10]
3 years ago
7

A $129.50 stereo is discounted 40%. The next month, the sale price is discounted 60%. Is the stereo now “free”? If not, what is

the sale price?
Mathematics
1 answer:
blondinia [14]3 years ago
7 0
---------------------------------------------------------------------------
Original Price
---------------------------------------------------------------------------
$129.50

---------------------------------------------------------------------------
Discount
---------------------------------------------------------------------------
40% of $129.50
= 0.4 x 129.50
$51.80

---------------------------------------------------------------------------
Price after discount
---------------------------------------------------------------------------
$129.50 - $51.80 = $77.70

---------------------------------------------------------------------------
Further discount of 60%
--------------------------------------------------------------------------
60% of $77.70
=  0.6 x 77.7
= $46.62

---------------------------------------------------------------------------
Price after discount
---------------------------------------------------------------------------
$77.70 - $46.62 = $31.08

---------------------------------------------------------------------------
Answer: It is not free. It still cost $31.08.
---------------------------------------------------------------------------
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3 years ago
△ABC is similar to △XYZ
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