1) Three notebooks, 2 binders and 1 pack of pencils costs $6. Two
notebooks, 1 binder and 2 packs of pencils costs $6.92. One notebook, 3
binders and 3 packs of pencils costs $10.84. How much does one binder
cost?
WHAT DO I KNOW
DEFINE MY VARIABLES
I
N = notebooks
B = Binders.
P = pencils.
WRITE THE SYSTEM