Math
posted by Lovepreet .
Desiree's test score are 77,90,66 and 82.what score does she need on the last test in order to average 80 on her tests ?
Respond to this Question
Similar Questions

math
A teacher allows the students to each "throw out" their lowest test score in order to increase their overall grade. The original mean score of 5 tests is 72.8. After the removal of the lowest test, the mean score becomes 78.5. What … 
algebra
Briana's second test score was 8 points higher than her first score. Her third score was 88. She had a B average (between 80 and 89 inclusive) for three tests. What can you conclude about her first test score? 
Algebra
Tom took five math tests and got an integer score on each of them. He never scored higher than 90, and his lowest score was the fourth test. If his average score, rounded to the nearest integer, was 82, what is the lowest possible … 
Algebra
Tom took five math tests and got an integer score on each of them. He never scored higher than 90, and his lowest score was the fourth test. If his average score, rounded to the nearest integer, was 82, what is the lowest possible … 
Math
Karl's scores on the first five science tests are shown in the table. Test 1 Test 2 Test 3 Test 4 Test 5 85 84 90 95 88 Part A. Write am inequality that represents how to find the score he must receive on the sixth test to have an … 
Math
After 4 tests, Amanda's average score was 88. What score must she earn on her next test to have a 5test average? 
Math
average score of first three test is 90 and average score of two test is 89 what is average score of all five tests 
Math
Linda scores 72 on her first algebra test. What must she score on the second test if her average score on both tests is to be 81 
bridge
Mr. Feng conducted five math tests. Trinity had completed four tests and scored 79, 78, 82, and 75. She wanted to achieve an average of 80% in her math tests. Write an inequality to find the minimum score Trinity can make on the fifth … 
Math
In order to get an A in a class, your test scores must average at least 92%. On the first 6 tests, you have an average of 91%. What score do you need to get on the last test to earn an A?