maybe 28 is the answer...
B. $30
to find out how much $ she earned per day, all you have to do is divide $2,100 by 70, which is $30.
i hope this helps!!
Alright, lets get started.
Jim was thinking of a number.
Suppose the number Jim was thinking, is x.
Jim adds 20 to it means number will be = 
And Jim doubles it, means 
Jim gets 99.2 and as per us, he gets 
So, making them equal


Subtracting 40 in both sides



It means the original number is 29.6. : Answer
Hope it will help :)