SOLUTION: On her last two math tests, Larisa had scores of 83 and 92. Assuming that Larisa cannot score above a 100 on any given test, determine all possible scores Larisa can score to avera

Question 210717: On her last two math tests, Larisa had scores of 83 and 92. Assuming that Larisa cannot score above a 100 on any given test, determine all possible scores Larisa can score to average at least a 90 on all three tests. Represent your answer algebraically
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Find the average of the three test scores and let x = the third test score.
The average on all three tests is at least 90.
Multiply both sides by 3.
Subtract 175 from both sides.
x is at least 95.
Lara must score: 95, 96, 97, 98, 99, or 100 on her third test.
RELATED QUESTIONS
on her last two math tests, Larisa had scores of 83 and 92. Assuming that Larisa cannot... (answered by clearblueskai)

please help me with this word problem On her last two math tests, Leah had scores of... (answered by sofiyac)

how to write linear inequality for- On her last two math tests, Leah had scores of 83 and (answered by MathLover1)

on her last two math tests. leah had scores of 83 and 92. what must leah score on the... (answered by richwmiller)

i have no idea how to do this problem: on her last two math tests has scores of 83 and 92 (answered by Fombitz)

on your last two math tests, you had scores of 80 and 98. what must you score average at... (answered by rfer)

Jill had a mean score of 80 on the first three math tests and a mean score of 90 on the... (answered by robertb)

An average score of 90 or above in an English course receives an A grade. A student has... (answered by Boreal)

on the first two psychology tests, a girl had scores of 79 and 83. she wants her average... (answered by ankor@dixie-net.com)