95.1k views
2 votes
A plumber uses an average of 20 meters of copper

pipe each week. Copper pipe costs $5 per meter. If
the plumber wants to reduce her weekly expenditure
on copper pipe by $4, what length of copper pipe
should she buy each week, in meters?

1 Answer

4 votes

Answer:

$80

Explanation:

User Diego Fortes
by
8.7k points