Tutoring  |  Bookmark Us  |  FREE to Join!            New User? Sign Up  |  Sign In  |  Help
Students Ask Questions--Tutors Answer
TutorAnswer.com
TutorsTeach.com
ask.
answer.
discover.
     
Search for questions :
My Profile

YummyCookies

Resolved Questions Bookmark and Share

Solve for s?

Ned paid $32, before tax, for a shirt that cost $18 and a pair of shorts that were on sale for 20% off the original price. The equation 18+(s-0.20s)=32 represents the situation, where s is the original price of the shorts. What was the original price of the short?

Posted 142 day ago

    Report Abuse

 

math_fanatic

Best Answer

If you could get to the equation, I wonder why you couldn't solve it.

Samzappala, as usual, is confusing the situation. The first answer given
was correct and well written but I want you to understand why the answer
is what it is if you are having problems with the algebra.

18 + (s -.2s) = 32

Using order of operations, solve inside the parentheses first (remember that s has a coefficient of 1) :
1s -.2s = .8s

You now have:
18 + .8s = 32

Subtract 18 from both sides:
.8s = 14

divide both sides by .8
s = 17.5

The original price of the shorts was $17.50



Posted 141 day ago

( 0 )
( 0 )
  Report Abuse
 
   Find Interesting  
   Email to Friends  
   Bookmark  
   Subscribe to Answer Alert  
Answers (6)

atta 		18 + s - 0.2s = 32 => 18 + s - s/5 = 32 => 18 + 0.8s = 32 => 0.8s = 16/9 || 4s/5 = 16/9 => s = 20/9.

J.C

Posted 124 day ago

( 0 )
( 0 )
   Report Abuse

18+(s-0.2s)=32

subtract 18 from both sides
(s-0.2s) = 14

factor out the s
s(1-0.2)=14

subtract 0.2 from 1
s(0.8)=14

divide 0.8 into both sides
to get the answer
s=14/0.8 = 17.5



Posted 136 day ago

( 0 )
( 0 )
   Report Abuse

YummyCookies 		thx, cuz i got confused with the number in the parentheses and i didnt know how to solve it!

Posted 141 day ago

( 0 )
( 0 )
   Report Abuse

math_fanatic 		If you could get to the equation, I wonder why you couldn't solve it.

Samzappala, as usual, is confusing the situation. The first answer given
was correct and well written but I want you to understand why the answer
is what it is if you are having problems with the algebra.

18 + (s -.2s) = 32

Using order of operations, solve inside the parentheses first (remember that s has a coefficient of 1) :
1s -.2s = .8s

You now have:
18 + .8s = 32

Subtract 18 from both sides:
.8s = 14

divide both sides by .8
s = 17.5

The original price of the shorts was $17.50



Posted 141 day ago

( 0 )
( 0 )
   Report Abuse

samzappala 		32-18=14; which is the shorts' cost at 80% (100-20=80). So 14 is 80% of ? Break the 80% into a decimal, which is .80. Divide: 14/.8=17.5; which is the original price. 18+(17.5-20%)=32.

Posted 141 day ago

( 0 )
( 0 )
   Report Abuse

MichaelT 		18 + s - .2s = 32
s - .2s = 14
.8s = 14
s = $17.50 was the price of the shorts.

Posted 142 day ago

( 0 )
( 0 )
   Report Abuse
Email this question link to friends
You must enter email-address, if name is entered and vice-versa for each friend.
Friend #1 -
Friend #2 -
Friend #3 -
Friend #4 -
Friend #5 -
Enter Security Code : *

 

©2009 TutorAnswer.com, All rights reserved! • Contact us • Terms & Conditions • Privacy Policy • Follow Us on Twitter