menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
A store has sold 90 notebooks, which is 20% of all the notebooks they had. How many notebooks did the store have at first? A) 450 B) 23 C) 108 D) 500
Ask a Question
Questions
Unanswered
Tags
Ask a Question
A store has sold 90 notebooks, which is 20% of all the notebooks they had. How many notebooks did the store have at first? A) 450 B) 23 C) 108 D) 500
asked
Apr 6, 2021
12.3k
views
2
votes
A store has sold 90 notebooks, which is 20% of all the
notebooks they had. How many notebooks did the store
have at first?
A) 450
B) 23
C) 108
D) 500
Mathematics
middle-school
Mtraut
asked
by
Mtraut
8.3k
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.
1
Answer
3
votes
Answer: 450
Explanation: 20%=20/100=1/5
Multiply 90 by the reciprocal of 1/5 which is 5
90 x 5 =450
Codingbbq
answered
Apr 11, 2021
by
Codingbbq
8.6k
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
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
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