Respuesta :
Answer:
6.5
Step-by-step explanation:
To perform this kind of exercise, it is necessary to replace the value indicated in each variable each time you find the variable in the equation.
[tex]7j+5-8k[/tex]
If j=0.5 and k=0.25, replace the value of each variable.
[tex]7(0.5)+5-8(0.25)=[/tex]
now perform the indicated operations
[tex]7(0.5)+5-8(0.25)=3.5+5-2=6.5[/tex]