menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
John participated in a science contest. He received 3 points for each correct answer but lost 2 points for each incorrect answer. After answering 50 questions, John's score was 95 points. How many questions
asked
May 5, 2019
225k
views
3
votes
John participated in a science contest. He received 3 points for each correct answer but lost 2 points for each incorrect answer. After answering 50 questions, John's score was 95 points. How many questions did John answer incorrectly?
Mathematics
middle-school
Cjquinn
asked
by
Cjquinn
7.3k
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.
2
Answers
2
votes
Answer:
11
Explanation:
Lezebulon
answered
May 8, 2019
by
Lezebulon
7.8k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
4
votes
(3*50)-95=55/2=27.5 questions are incorrect..
Zander
answered
May 11, 2019
by
Zander
8.4k
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.
9.5m
questions
12.2m
answers
Other Questions
How do you can you solve this problem 37 + y = 87; y =
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?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement how thick must the cement be to cover field
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org