Question 1002036

Please help me solve this! Thank you in advance:

How much water should be added to 10mL of a 10% acid solution to make it a 5% solution?

.10(10) = .05(10+x) this is the equation that i tried for please help if not right!
<pre>Your equation is correct! Good job!
You just need to continue to solve for x, the amount of water