New price = <u>90 dollars</u>
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25% of 120 = 30
Price is reduced 25% from 120 so,
120 - 30 = 90
Amount of discount = 30
Answer:
3x²+-1/3y²
Step-by-step explanation:
3x² -1/3y²=3x²+-1/3y²
Answer:

Step-by-step explanation:
From the question we are told that:
Fan oscillates 
Distance 
Since

Generally the equation for the area A is mathematically given by


Where






Therefore the area A is given as



19.76/13 = $1.52
$1.52 x 20 = $30.40
9 5/6 is your answer. Thanks