<span>The cost of a service or item is an expense
</span>
Answer:
(16, 11) or ( 16, 10 )
Step-by-step explanation:
Answer:
screw this question
Step-by-step explanation:
To change from 15% to 25% he needs to add 10%.
If the solution is 50ml then he needs to add 10% which is 5ml... But if he adds 5 ml then the solution will be 55ml total, so that doesn't make sense. He has to take some of the solution that's not acid before adding the 5ml...
