Question

9. Three ballpoint pens cost 18 – and five sketch pens
4
cost 512. How much more does each sketch pen
cost?​

Answer 1

Answer:

Step-by-step explanation:

just divide the total cost/amount to find the cost of one unit

since 4 sketch pens cost 512

1 sketch pen costs = 512/4

= 128

hope this helps ☺️