Respuesta :

Answer:

7 1/8 or 7.125

Step-by-step explanation:

first subsitute z for 4

28/4 - 4/4 + 1 1/8

then do 28/4 - 4/4 which is 6,

add that to 1 1/8

and get 7 1/8

Answer:

Step-by-step explanation:

[tex]\frac{28}{z}-\frac{z}{4}+1\frac{1}{8}=\frac{28}{4}-\frac{4}{4}+\frac{9}{8}\\\\=7-1+\frac{9}{8}\\\\=6+\frac{9}{8}\\\\=\frac{6*8}{1*8}+\frac{9}{8}\\\\=\frac{48}{8}+\frac{9}{8}\\\\=\frac{57}{8}\\\\=7\frac{1}{8}[/tex]