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...
The answer is C(-2, 6).
I think you forgot the y in the first equation (with the -4.
Answer:
$20
Step-by-step explanation:
50% of Fundraising goal= 0.5 x $40
= $20
Answer:
20 over 1 = 3 pies of gold
Step-by-step explanation:
In a unit rate , the number in the denominator is always 1 . There's 20$ for 3 pies of gold.
