menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
I have a math problem it says: He used 160 batteries in 40 calculators. how many batteries are required for 225 calculators? Can I have a little help please?
asked
Dec 6, 2018
71.3k
views
4
votes
I have a math problem it says: He used 160 batteries in 40 calculators. how many batteries are required for 225 calculators? Can I have a little help please?
Mathematics
middle-school
Igor Escobar
asked
by
Igor Escobar
8.0k
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
You can set up an equality:
40/160 = 225/x
Cross multiply:
40x = 160(225)
Evaluate:
40x = 36000
Isolate x:
x = 900.
So,
900 batteries
are required for 225 calculators.
Hope this helped!! xx
Buoy
answered
Dec 12, 2018
by
Buoy
8.1k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Feb 22, 2024
159k
views
5 A teacher needs to buy batteries for 32 calculators. ● There are 20 basic calculators that each require 3 batteries. There are 12 advanced calculators that each require 4 batteries. The batteries are
Lockhrt
asked
Feb 22, 2024
by
Lockhrt
7.1k
points
Mathematics
college
1
answer
3
votes
159k
views
asked
Aug 25, 2024
232k
views
At the beginning of the school year, the batteries and all the graphing calculators were replaced. Each calculator required 4 batteries. Office Plus offered a back to school special price of $32.98, including
RamaKrishna Chunduri
asked
Aug 25, 2024
by
RamaKrishna Chunduri
8.5k
points
Mathematics
high-school
1
answer
4
votes
232k
views
asked
Sep 9, 2020
12.6k
views
Suppose that 1010% of a certain batch of calculators have a defective case, and that 1414% have defective batteries. Also, 55% have both a defective case and defective batteries. A calculator is selected
Boldizsar
asked
Sep 9, 2020
by
Boldizsar
7.8k
points
Mathematics
college
1
answer
3
votes
12.6k
views
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