The company charges for office equipment louvers total 262 Eur. From the delivery, the bill is obvious that the louvers are 76 Eur more expensive than their installation.

What percentage of the total charged is the installation of louvers?

Correct answer:

p =  35.5 %

Step-by-step explanation:

z+m=262 z=76+m p=xm100 p=226226276100=35.5%

z+m =262
z = 76 + m

m+z = 262
m-z = -76

Row 2 - Row 1 → Row 2
m+z = 262
-2z = -338

z = -338/-2 = 169
m = 262-z = 262-169 = 93

m = 93
z = 169

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