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borishaifa [10]
3 years ago
9

The preimeter of a rectangle is 53 meters the length is 2.3 meters longer than the width

Mathematics
1 answer:
ehidna [41]3 years ago
5 0
------------------------------------
Given information
------------------------------------
Perimeter = 53m
Length is 2.3m longer than the width

------------------------------------
Formula
------------------------------------
Perimeter = 2( length + width)

------------------------------------
Define the length and Width
------------------------------------
Let the width be x
width = x
length = x + 2.3

------------------------------------
Form equation and solve x
------------------------------------
 2( x + x + 2.3) = 53
2(2x + 2.3) = 53
4x + 4.6 = 53
4x = 53 - 4.6
4x = 48.4
x = 48.4 ÷ 4
x = 12.1

------------------------------------
Find Length and Width
------------------------------------
Width = x = 12.1m
Length = x + 2.3 = 12.1 + 2.3 = 14.4m

-------------------------------------------------------------
Answer: Length = 14.4m and Width = 12.1m
--------------------------------------------------------------

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Step-by-step explanation:

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Cost of skateboard after discount = Cost of skateboard - Amount of discount

Cost of skateboard after discount = 98 - 19.6 = $78.4

Sales tax = 6%

Sales tax amount = 6% of discounted price

Sales\ tax\ amount=\frac{6}{100}*78.4\\\\Sales\ tax\ amount=\frac{470.4}{100}\\\\Sales\ tax\ amount=\$4.70

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The final cost of skateboard will be $83.10

Keywords: sales tax, addition

Learn more about addition at:

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