Earn 500 and spend one.
499 is a prime so it is only divisible by 1 and 499.
499-199 is equal to 300.
To make a 500 dilution, add 1 part of the substance you are diluting to 499 parts of water. For example, if you have 1 mL of the substance, you would add 499 mL of water to make a total volume of 500 mL for the dilution.
499 + 500 = 999
499 take away 199; 499-100=399 then; 399-99=300
It means "499 common era", i.e. the year 499 past 0. It's another way of saying "AD 499".
499 + 1 = 500
199 - 499 = -300
499 is a whole number.
499 times 10 is 4,990
$499 (USD)/€499/£429