The color my room painting company charges a fixed set-up fee of $20 per job and the $0.25 per square foot to paint. let p represent the square footage of a laundry rooms walls. write an algebraic expression to find the total cost to paint the room. all is deeply appreciated.

0.25p+20

Step-by-step explanation:

Since there is a set up fee of $20 then you would have to add it to the value of what 0.25p will be. Since p represents every square foot of the walls and you would multiply p by 0.25 every square foot is $0.25 then 0.25p+20 would accurately represent the problem

the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9