Answer:
Step-by-step explanation:
7.5% would be 405. Honestly to find it quickly, i took 10% of 5400,which is 540 and divided that by 4 to get 135 and multiply that by 3 to get 7.5%, which is 405 increase. to get the money total add 405 to 5400 to get 5805
C. x is y less than z
x+y=z
by using transposition
x = z-y
whatever x is, it is equal to the value of y taken from z
In the inverse we replace the place of x by y .
I hope I helped you^_^