You don't. It sounds like a scam. If you do send the 20, you'll never see the check. Forget it.
It is 500000.
20% of 500,000 is 100,000.
20%
25000
It is: 1/20% or 0.05%
500000
a cheque book is a collection of individual cheque leaf's. it may have 10 or 20 or even 50 cheques you can use these cheques to withdraw cash or make payments to others.
You have to invite 20 people to lockerz then they will send you your z-list shirt.
500000 USD
500000+40000+6000+800+20+2
20/50, 200/500, 200000/500000
300000/500000 X 100 Cancel down by '100000'. Hence 3/5 X 100 = Cancel down by '5' 3/1 X 20 = 60%