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larisa [96]
3 years ago
8

A desk is on sale for $391, which is 32% less than the regular price. What is the regular price

Mathematics
1 answer:
dezoksy [38]3 years ago
3 0
Let's say a is the original price and b is the price with a 32% discount.
a*0.68=b
Wchi is close to 
1.47058 * b = a
Our new price is $391 so...
1.47058 * 391 = a
a = $575
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Step-by-step explanation:

The volume of the donut-shaped moat is the product of its surface area and depth. The area is the product of its centerline length and its width.

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The diameter of the centerline of the moat is (50 m -5 m) = 45 m. The length of that centerline is ...

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The area is this length times the width of the moat:

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The volume is the product of the area and the depth of the moat:

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