he plumber charges a service fee of $45 when he comes to your house. He also charges $25 per hour while he does the repairs. The total bill was $400. Which equation represents this situation?

25x+45=400

Step-by-step explanation:

25 is the amount he charges per hour, x is the amount of hours, 45 is the service fee, and 400 is the total

yes, gavin is right.

step-by-step explanation:

gavin is correct. 

this problem is about converting 9% per year to how many percent per quarter. the rate is still the same. it only differed in the time period. so, through dimensional analysis,

9% per year  × (1 year / 4 quarters) = 2.25% per quarter

if he was asked to convert 9% per year to how many percent per quarter  compounded quarterly, then you will not simply divide by four. this is because compounding is not linear.

hope this , have a good day. c;