<span>Let x = amt of water evaporated :.05(50) = .08(50-x) 2.5 = 4 - .08x .08x = 4 - 2.5 .08x = 1.5 x = 18.75 lb of water evaporated : ; Check; amt of salt remains the same, only the percentage is different, right? .05(50) = .08(50-18.75) .05(50) = .08(31.25) 2.5 = 2.5</span>
Answer:
x=3
Step-by-step explanation:
Basically the question is asking what value of x gives the same value for y
(or where do the 2 lines cross)
the input is x=3, the out put is y =-1
Answer:

Step-by-step explanation:
To solve this, we have to plug in 1/3 for x:

So just find the factors of 90
90=2 times 3 times 3 times 5
so the factors could be
2,3,15
2,9,5
6,3,5
10,3,3
there are 4our
Answer:
30ft
Step-by-step explanation:
Don't worry I just know