menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ted need to score at least 70 on his three tests, he has scored already 85 and 60 on two test, what would be the third test score?
Ask a Question
Questions
Unanswered
Tags
Ask a Question
Ted need to score at least 70 on his three tests, he has scored already 85 and 60 on two test, what would be the third test score?
asked
Feb 6, 2016
211k
views
1
vote
Ted need to score at least 70 on his three tests, he has scored already 85 and 60 on two test, what would be the third test score?
Mathematics
middle-school
Moshe Rubin
asked
by
Moshe Rubin
8.2k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
6
votes
first test: 85
second test: 60
third test:
x
= ?
total: 70
(85 + 60 + x) / 3 >= 70
You have to divide this by the number of tests Ted will take (in this case 3).
145 + x >= 70 * 3
x >= 70 * 3 - 145
x >= 210 - 145
x >= 65
Ted has to score
at least 65
on his third test.
Igor Kostenko
answered
Feb 13, 2016
by
Igor Kostenko
7.9k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
No related questions found
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org