Answer:
pen=2.03
notebook=1.40
Explanation:
3p+2n=8.25
2p+3n=8.00
2p=8.00-3n
divide by 2
p=4.00-1.5n
sub into other original equation
3(4.00-1.5n)+2n=8.25
12.00-4.5n+2n=8.25
-12. -12
‐--------‐--------------------
-2.5n=-3.25
divide by -2.5
n= 1.40
2p+3n=8.25
2p+3(1.40)=8.25
2p+4.20=8.25
-4.20 -4.20
----------------------
2p=4.05
divide by 2
p =2.025