+0  
 
0
425
2
avatar

the total amount cost of 10 pillows and 15 pillow cases is £175. A pillow costs £6.50 more than a pillow case.how much does a pillow case cost?

 Mar 4, 2015

Best Answer 

 #2
avatar+27342 
+5

Let p be cost of a pillow and c be cost of a case.  Then

 

10p + 15c = 175

p = c + 6.5

 

Replace the p in the first equation using the second equation:

 

10(c + 6.5) + 15c = 175

 

25c + 65 = 175

 

25c = 110

 

c = 4.4

 

So a pillow case costs £4.40

.

 Mar 4, 2015
 #1
avatar
0

i have no idea

 Mar 4, 2015
 #2
avatar+27342 
+5
Best Answer

Let p be cost of a pillow and c be cost of a case.  Then

 

10p + 15c = 175

p = c + 6.5

 

Replace the p in the first equation using the second equation:

 

10(c + 6.5) + 15c = 175

 

25c + 65 = 175

 

25c = 110

 

c = 4.4

 

So a pillow case costs £4.40

.

Alan Mar 4, 2015

7 Online Users

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.