Juliana wants to remodel her bathroom. materials will cost $500 and the contractor charges $40 per hour. the equation y=40x+500 represents the amount of money needed for x number of hours worked by the contractor

what are you trying to find or how long did the worker work

If you were trying to find how long it took for the worker to remodel her bathroom, it would be $480.

Step-by-step explanation:

12 hours x $40 = $480 for 12 hours of work

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)