math
posted by Sandy .
To get a C in physics, a student must score an average of 70 on four tests. Scores on the first three tests were 63, 85, and 82. What is the lowest score the student can make on the last test and still get a C?

math 
Ms. Sue
4 * 70 = 280
63 + 85 + 82 = 230
280  230 = 50
Respond to this Question
Similar Questions

Marth
To get an A in history, a student must score an average of 90 on four papers. Scores on the first three papers were 92, 83, and 88. What is the lowest score that a student can make on the last paper and still get an A? 
MATH
To get an A in history, a student must score an average of 90 on four papers. Scores on the first three papers were 92, 83, and 88. What is the lowest score that a student can make on the last paper and still get an A? 
math
To get an A in history, a student must score an average of 90 on four papers. Scores on the first three papers were 92, 83, and 88. What is the lowest score that a student can make on the last paper and still get an A? 
Math
A student scored 65, 80, 74 on the first three tests during the term. What does the student need to score on the fourth test to ensure and an average score that is above 75? 
math
To get a C in history, Nandan must average 74 on four tests. Scores on the first three tests were 69, 75, and 60. What is the lowest score that Nandan can get on the last test and still receive a C? 
Algebra
A student is taking a literature course in which four tests are given. To get a B, he must average at least 80 on the four tests. The student got scores of 82, 76, and 78 on the first three tests. Determine (in terms of inequality) … 
Math
To get an A in psychology, a student must score an average of 90 on four tests. Scores on the first three tests were 96,92,88. What is the lowest score the student can make on the last test and still get an A? 
math
A student has a mean score of 88 on five tests taken. What score must she obtain on her next test to have a mean (average) score of 80 on all six tests? 
Math
To get a B in physics, a student must score an average of 80 on four tests. First three scores were 68, 75 & 84. What is the lowest score the student can make on the last test and still get a B? 
Math
In your class, you have scores of 73,85,76, and 92 on the first four of five tests. To get a grade of Upper C, the average of the first five tests scores must be greater than or equal to 70 and less than 80. a) Solve an inequality …