Answer:
It's rise/run.
May or not be right but I hope it helps!
I added the attachment.
I=prt
I= 400×(4.5/100)×5
I=$90
total 400+90=$490
I=250×(2/100)×5
I=$25
total 250+25=$275
6j + 6r :)))))))))))))))))
Step-by-step explanation: