× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
Home Q & A Board Science-Related Homework Help Mathematics
New Topic  
Durham_College Durham_College
wrote...
solved
Posts: 3
Rep: 0 0
2 years ago Edited: 2 years ago, Durham_College
The price of 3/4-in. copper pipe increased from $5.95 to $7.98 per linear foot at a home building store. What percent increase is this? Round the percent to one decimal place.

Solution:

Given that the price increased, we will use the general formula:

initial + initial(rate) = final

  • The initial price is 5.95
  • The final price is 7.98

Substitute these values into the formula and solve for rate (x):

initial + initial (rate) = final

\[5.95 + 5.95(x) = 7.98\]
Rearrange for x:

\[5.95(x) = 7.98 - 5.95\]
\[x=\frac{7.98-5.95}{5.95}\]
\[x=\frac{2.03}{5.95}\]
\[0.3411\times 100\%=34.1\%\]

Therefore, the price rose by 34.1%.
Read 206 times

Related Topics

New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1251 People Browsing
 120 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 290
  
 375
  
 111
Your Opinion
How often do you eat-out per week?
Votes: 79
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?