Question

eric paid $13.65 for 9 similar pencils and 6 similar erasers, The total cost of a pencil and an eraser was $1.80. Find the cost of a pencil.

Answer 1

Answer:

Pencil cost = $ 0.95

Step-by-step explanation:

P + E = 1.8   - Eq A

9P + 6E = 13.65   - eq B

eq b - 6*EqA

9P + 6E - 6P - 6E = 13.65 - 10.8

3P = 2.85

P = 0.95