The amount of sugar
in the starting solution contributes to a 36% concentration, so we have

units of sugar in the solution.
Into this solution, Sharon wants to pour
liters of water to obtain a smaller concentration of sugar in the overall solution:

So Sharon needs to add
liters of water to the solution to get the desired concentration.
Ok... so 9 cars in 40 min means it took ABOUT 4 min to wash each car. So it will be 4x120 is your equation if that helps. I’m not quite sure if this is right you might need to check your work. I don’t know what grade your in but I’m just starting 5th
Answer: y=3x^2−3x
Step-by-step explanation:
Sorry if wrong
.25/65
(1/4)(1/65)
4*65=260
=1/260