Ravi bought 3 pens and 4 notebooks for $28. Lola bought 4 pens and 8 notebooks at the same store for $52. How much does one notebook cost

Answer 1

3P + 4N = 28

6P+ 8N = 56

4P +8N 52

2P = 4

P = 4/2 = 2 = $2

3(2)+4N = 28

4N = 28-6=22

N = 22/4 = 5.5= $5.50= cost of one notebook