menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
david spent 2/5 of his money on a storybook. The storybook cost $20. How much money did he have at first
asked
May 5, 2017
200k
views
3
votes
david spent 2/5 of his money on a storybook. The storybook cost $20. How much money did he have at first
Mathematics
middle-school
Arams
asked
by
Arams
8.9k
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
1
vote
50 dallors hope this help
Codaniel
answered
May 6, 2017
by
Codaniel
8.1k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
1
vote
If the storybook cost $20, and it was also 2/5 of his money, then 2/5 of his money is $20. In other words:
2x/5 =20.
Multiplying both sides by 5, we get:
2x = 100.
If we divide both sides by 2, then we're left with:
x = 50.
David had $50 at first.
Hayman
answered
May 8, 2017
by
Hayman
8.5k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
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
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?
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org