Solve the Problem. -DG's Plumbing and Heating Charges $50 Plus $75 Per Hour

question 121

Multiple Choice

Solve the problem.
-DG's Plumbing and Heating charges $50 plus $75 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?

• A)7 hours
• B)5 hours
• C)13 hours
• D)17 hours

---

Definitions:

Sunlight

The natural light that comes from the sun, which is a combination of visible, ultraviolet, and infrared radiation.

Rainfall

The precipitation of water from clouds in the form of droplets, a crucial component of the water cycle that supports terrestrial life.

Reproduction

The biological process through which new individual organisms are produced by their parents.

Secondary Xylem

The part of the plant vascular system that transports water and nutrients from the roots to the shoots and leaves, typically forming wood in trees.