That relationship can be expressed by either of ...
Answer:
200 kg
Step-by-step explanation:
If w is the amount of water added, then the concentration of the solution is ...
salt/solute = 100(0.30)/(100 +w) = 0.10
30 = 10 +0.10w . . . . . simplify
20 = 0.10w . . . . . . . . subtract 10
20/0.10 = w = 200 . . . . divide by 0.10
200 kg of water must be added to dilute the solution to 10%.
Answer:
6.71
Step-by-step explanation:
If you want to put picture i would recommend using your phone to do it. :]
$480
First convert 8% into a decimal
8%/100=0.08
Multiply the decimal by his sales
0.08*6000
480
He made $480 in commission last month
Hope this helped! :)
Answer:
4.76
Step-by-step explanation:
it just is