Jika x = 2 Dan y = 100% serta z = 500% ... maka berapa 5x - xy/5 = ?

Diketahui :
=> x = 2
=> y = 100% => 100/100 => 1
=> z = 500% => 500/100 => 5

5x - xy/5
=> 5(2) - (2)(1)/5
=> 10 - 2/5 => samakan penyebut = 5
=> 50/5 - 2/5
=> 48/5
=> 9,6

Mungkin maksud anda => 5x - yz/5 ( untuk apa ada nilai z )
=> 5x - yz/5
=> 5(2) - (1)(5)/5
=> 10 - 5/5
=> 10 - 1
=> 9

x = 2
y = 100% = 1
z = 500% = 5

Maka
5x - xy / 5 = 5(2) - 2.1 /5 = 8/5 = 1 3/5