Julia worked 15 hours more than james last month. if julia worked 8 hours for every 4 hours that james worked how many how’s did they each work

Step-by-step explanation:

Julia worked 8 hours for every 4 hours that James worked.  This  shows that for every hour James work, Julia works double the time ie . 2 hours.

Julia worked 15 hours more than James last month.

Julia worked 30hours and James worked 15 hours

step-by-step explanation:

to find if any function is an inverse of the other, put the first equation in as x in the next one. then simplify and solve. if at the end you get the statement y = x, then it is an inverse. if you get anything else, it is not.

the radius is 2 times the diameter.

step-by-step explanation: