MATH
posted by KIM .
An arithmetic student needs at least a 70% average to receive credit for the course. If she scored 86%, 77%, and 64% on the first three exams, what is the lowest score she can get on the fourth exam to receive credit for the course?

0.7 * 400 = 280
She has 86 + 77 + 64 = 227
280  227 = 53
Respond to this Question
Similar Questions

math correction
an arithmatic student needs an average of 70 or more to receive credit for the course. She scored 68,69, and 83 on the first three exams. Write an inequality representing the score she must get on the last test to receive credit for … 
math
I'm just not good at word problems can someone help pleaes thanks a head of time An arithmetic student needs an average of 70 or more to receive credit for the course. She scored 89, 76, and 65 on the first three exams. Write an inequality … 
math
An arithmetic student needs an average of 70 or more to receive credit for the course. She scored 82, 64, and 98 on the first three exams. Write an inequality representing the score she must get on the last test to receive credit for … 
math
An arithmetic student needs at least a 70% average to receive credit for the course. If she scored 86%, 77%, and 64% on the first three exams, what is the lowest score she can get on the fourth exam to receive credit for the course? 
math
An arithmetic student needs at least a 70% average to receive credit for the course. If she scored 86%, 77%, and 64% on the first three exams, what is the lowest score she can get on the fourth exam to receive credit for the course? 
math
An employment agency requires applicants average at least 70% on a battery of four job skills tests. If an applicant scored 70%, 78%, and 82% on the first three exams, what must he score on the fourth test to maintain a 70% or better … 
algebra
Mike needs at least a 75% average to pass his math course. The class contains 5 exams that are equally weighted. If he scored a 64%, 86%, 71%, and a 90% on the first 4 exams, what score does he need on the final exam to earn at least … 
math
a studentâ€™s grade in a class is simply the mean of five 100point exams a. If the student has grades of 77, 73, 97, and 89 on the first four exams, what is the studentsâ€™ grade before taking the last exam? 
word problem, Im lost on how to set this up
Joe has scored 84, 89, and 90 on his first three exams in his math class. If the standard 70,80,90 scale is used for grades and the exams are equally weighted, what must he score on the final exam, f, in order to a) Get a C average … 
word problem, please
Joe has scored 84, 89, and 90 on his first three exams in his math class. If the standard 70,80,90 scale is used for grades and the exams are equally weighted, what must he score on the final exam, f, in order to a) Get a C average …