krustykrabklub krustykrabklub

02-03-2017
Mathematics

contestada

the area of a rectangle is 56 centimeters. The length is 2 centimeters more than x and the width is 5 Centimeters less than twice X. Solve for x. Round to the nearest whole number

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ivanhqp ivanhqp

02-03-2017

okay, so...
length = x+2
width = 2x-5

Multiply these
x+2(2x-5)
x + 4x - 10
5x - 10 = 56

5x - 10 = 56
+ 10 + 10

5x = 66

x = 11.20

:D

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