Question

fie x:z-y:z=5si x-y=20.determina ,z,

Answer 1

x:z-y:z=5
x-y=20
z:(x-y)=5
z:20=5
z=5·20
z=100
100:20=5

Answer 2

x*1/z-y*1*z=5
1/z*(x-y)=5
1/z*20=5
1/z=5/20
1/z=1/4
z=4
 Nu sunt sigura de raspuns.