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How much of a 50% alcohol solution should we mix with 10 gallons of a 35% solution to get a 40% solution?
Solution
Let x is the amount of 50% solution which we need. It means that there will be gallons of the 40% solution once we're done mixing the two.
Following is the basic work equation for this problem.
Now, plug in the volumes & solve for x.
0.5x + 0.35 (10) =0.4 ( x + 10)
0.5x + 3.5 + 0.4x + 4
0.1x + 0.5
x =0.5/0.1 = 5 gallons
Thus, we required 5 gallons of the 50% solution to get a 40% solution.
y=3x+1 x=3y+1
on my math home work it says draw a numberline and put the following numbers on order -2.5 2.5 4\3 10percent -100percent -6\3 02 [-4] o -4\5
Your school holds a spring carnival each year to raise money for local charities. you are running a carnival game called lucky seven. the player must choose whether to throw a dart
(2 X2)3 BY BB
Write this decimal as a percent. .35
f(2)=3 and g(x)=x^2+1 then gof(2)
so I''m having trouble. I honestly don''t under stand this. Y=4x+5. y=-1/4x+4 they want me to tell whether the line is parallel, perpendicular or neither I don''t know how.
Kelly has 24 and quarters worth $3.60. How many quarters does she have?
x=1-yto the second power
I really need help in this question (-5d + 1)(-2) I am really confused
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