How To Write 230 Dollars On A Check . If you wanted to write a check for $85.39, simply write 85.39 in the box. Technically, numbers between 21 and 99 should be hyphenated if it ends in a number other than 0. however, merchants don’t care about formatting rules when you’re writing a check. How to Write a Check With Dollars & Zero Cents Writing, Teaching from www.pinterest.com For example, if you were paying your landlord $925.50 for rent and utilities, you’d write out “nine hundred twenty five dollars and 50/100.”. Write the payee's name (the person receiving the check) on the line labeled pay to the order of. Then, draw a line from the right side of the “5” to the end of the space or write the numbers so large that it’s hard to add any numbers.