# Math-Algebra 1

Pablo has scored 64, 77, and 82 on his previous three tests. What score does he need on his next test so that his average (mean) is 79?

1. 👍 0
2. 👎 0
3. 👁 249
1. 400 * 0.79 = 316

64 + 77 + 82 = 223

316 - 223 = 93

1. 👍 0
2. 👎 0
2. Kira has scored 61, 80, and 88 on her previous three tests. What score does she need on her next test so that her average (mean) is 77?

1. 👍 0
2. 👎 0
posted by kk

## Similar Questions

1. ### math

Heather has scored 99 ,71 ,91 , and 72 on her previous four tests. What score does she need on her next test so that her average (mean) is ?80

asked by james on December 18, 2019
2. ### TMCC

Donna has scored 73 , 82 , 71 , 79 , and 69 on her previous five tests. What score does she need on her next test so that her average (mean) is 75 ?

asked by Maria on March 24, 2015
3. ### math

Charlie has scored 76 , 87 , 69 , and 74 on his previous four tests. What score does he need on his next test so that his average (mean) is 77 ?

asked by gracie on May 17, 2016
4. ### algebra

if lamar has scored 99,71,58 and 73 on his previous four tests, what score does he need on his next test so that his average is 79?

asked by Kelli on March 4, 2013
5. ### Math

Ivanna has scored 70 , 65 , 65 , 64 , and 62 on her previous five tests. What score does she need on her next test so that her average (mean) is 69 ?

asked by Amoiraine on November 21, 2016
6. ### Math

Neema did y tests and scored a total of 120 marks. she did two more tests which she scored 13 and 14 marks. The mean score of the first y tests was 3 marks more than the mean score for all the tests she did. Find the total number

asked by Austin on November 23, 2018
7. ### social science statistics

a professor was curious to whether the students in a very large class she was teaching who turned in their first scored differently from the overall mean on the test.The overall mean score on the test was 75 with a standard

asked by mike on April 9, 2013

A nursing professor was curious as to whether the students in a very large class she was teaching who turned in their tests first scored differently from the overall mean on the test. The overall mean score on the test was 75 with

asked by Anonymous on July 3, 2013
9. ### 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

asked by Summer on September 6, 2016
10. ### algebra

sasha needs to score at least 360 points on 4 tests to earn an A. on her first 3 tests she scored 86,93,and 88. what must she score on her 4th test

asked by kattie on January 4, 2011

More Similar Questions