Perimeter: 4x + 2
The perimeter is equal to 2 times the length plus 2 times the width.
2(x + 1) + 2(x)
2x + 2 + 2x
4x + 2
Area: x^2 + x
The area is equal to the length times the width.
(x + 1)(x)
x^2 + x
Hope this helps! :)
Answer:
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20 - 2 = 18 after discount
18 - 2.7 = 15.30 after coupon
15.30 + 0.96 = 16.26 after tax
