The electrician arrives at Laura’s house to fix her broken furnace. The electrician charges 90 dollars for the first hour and 60

Question

2 years ago

10

The electrician arrives at Laura’s house to fix her broken furnace. The electrician charges 90 dollars for the first hour and 60

dollars for each additional hour. If the total bill comes to 330 dollars how long will the electrician at Laura’s house?

Mathematics

1 answer:

PIT_PIT [208] · Answer 1 · 2022-05-25T21:45:44+03:00

PIT_PIT [208]2 years ago

4 0

Answer:

4 hours

Step-by-step explanation:

Since the initial fee is $90, you will subtract $90 from $330, getting $240. Since every hour after 1 hour is $60, you would divide $240 by $60 getting 4 hours