Answer:
76
Step-by-step explanation:
Assuming that all exams have the same weight, in order to achieve an average score of 80, the sum of all scores must equal 4 x 80. Therefore, the grade Jose needs in his last exam is:
Jose needs to score a 76 in his last exam to have a mean of 80.
I hope this will help you
Answer:8
Answer: x<-22
3x+4<-62
3x<-66
x<-22