Answer:
a) y= -18x +486
b)
10, y= 306
11, y= 288
12, y= 270
13, y= 252
14, y= 234
15, y= 216
Step-by-step explanation:
I hope this helped! brainliest pls?
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Answer:
12 gallons of 20% salt solution
Step-by-step explanation:
Let
x -----> the number of gallons of 20% salt solution
we know that
20%=20/100=0.20
40%=40/100=0.40
25%=25/100=0.25
so
0.20(x)+0.40(4)=0.25(x+4)
Solve for x
0.20x+1.60=0.25x+1
0.25x-0.20x=1.60-1
0.05x=0.60
x=12 gallons
Answer:
Matty is the most precious ma ma ta the best I don't think so I can see good
Answer:
7 of the kids in your class play
Step-by-step explanation:
Hope this helps you :)