Answer :
Answer:
60%= 40
50%=not possible
Step-by-step explanation:
x=grade on final
(65*.8) + (x*.2)=60
52+.2x=60
.2x=8
x=40
(65*.8) + (x*.2)=50
52+.2x=50
.2x=-2
x=-10
not possible
Answer:
60%= 40
50%=not possible
Step-by-step explanation:
x=grade on final
(65*.8) + (x*.2)=60
52+.2x=60
.2x=8
x=40
(65*.8) + (x*.2)=50
52+.2x=50
.2x=-2
x=-10
not possible