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3 years ago

A surfboard has a price of $920. With sales tax, it will cost $1,012. What is the sales tax percentage?

Mathematics

1 answer:

Solnce55 [7]3 years ago

8 0

Answer: 10%

Step-by-step explanation:

Let the sale tax = $x

Cost price (CP) of the surfboard = $920

Sale tax with cost price of the surfboard = $1,012

Therefore the sale tax ($x) = $1,012 - $920

=$92

Therefore the sale tax percentage = ⁹²/₉₂₀ x 100

= 10%

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Step-by-step explanation:

The rectangular garden must have a perimeter of 150 feet

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Area of rectangular garden =

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From equation 2, l=1200/w

Put l=1200/w in equation 1

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(2400+2w^2)/w =150

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Using the general formula

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w =[--150+/-√(-150^2-4×2×2400)]/2×2

=[150+/-√(22500-19200)]/4

=[150+/-√3300)]/4

=(150+57.45)/4 or (150-57.45)/4

w= 207.45/4 or 92.55/4

w= 51.86 or w= 23.14

l = 1200/51.86 or l= 1200/23.14

l = 23.14. or l= 51.86

For an area of at least 1200ft^2

The dimensions are 51.86 and 23.14

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3 years ago

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Answer:

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