+0  
 
0
60
1
avatar

a binder, a pack of notebooks and a box of pencils cost 14$ the pencils cost twice as much as the binders the pack of notebooks cost two dollars more than the binder how much does each cost

 Sep 28, 2022
 #1
avatar+1015 
+2

b = binder

n = notebooks

p = pencils

 

b + n + p = 14

p = 2b

n = b + 2

Substitute => b + (b + 2) + (2b) = 14

4b + 2 = 14 => b = 3, n = 5, p = 6

binders = 3$

pack of notebooks = 5$

box of pencils = 6$

 Sep 28, 2022
edited by proyaop  Sep 28, 2022

14 Online Users

avatar