79.4k views
4 votes
Dg's plumbing and heating charges $50 plus $70 per hour for emergency service. bill remembers being billed just over $450 for an emergency call. how long to the nearest hour was the plumber at bill's house?

User Morrisda
by
8.1k points

1 Answer

3 votes
50 + 70h = 450
70h = 450 - 50
70h = 400
h = 400/70
h = 5.71.....to the nearest hr, it would be 6 hrs <=
User Pranav Gupta
by
7.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories