Answer:
erm
Step-by-step explanation:
4.41 times 10^-1
True I hope this helps I'm no 100% sure tho I haven't done this type of math in a while
A. because school lockers can be any color and the most popular color in your school could be any color.
Let
be the number of liters of the 10% solution she needs to use. She'd end up with a 6% solution with a volume of
liters. The starting solution contains 0.04*9 = 0.36 liter of salt. Each liter of the 10% solution contributes 0.1 liter of salt, so that

Solve for
:



so Mayra needs to add 4.5 liters of the 10% solution.
You can make 498 sets, because 500/3 is about 166 and 166*3 is 498, so you can make 498 sets. I think this is correct and my dad helped me. I hope this helps you!