How many gallons of gasoline that is 8% ethanol must be added to 2,000 gallons of gasoline with no ethanol to get a mixture that is 6% ethanol?

How many gallons of gasoline that is 8% ethanol must be added to 2,000 gallons of gasoline with no ethanol to get a mixture that is 6% ethanol?

The dimension of a rectangular plot is (7p+4q) and (2q+8p) units respectively.Find the area of the plot when p=2 and q=1.

How much money should you invest now at an annual interest rate of 2.5% compounded monthly if you want $45,000, 20 years in the future? We have to use the formula F=P(1+i)^n...

a. bn = 2n + 3 b. dn = (-1)n • n2

Two small pitchers and one large pitcher can hold 8 cups of water. One large pitcher minus one small pitcher constitutes 2 cups of water. How many cups of water can each pitcher hold? ...

This is a question from The part Of Algebra i.e, Complex number

Let a and b be real numbers such that a+b=-1. Compute a^2-b^2+a-b.

FULL QUESTION: The civilian labor force in March 2007 was 133,000 less than in March 2008. The total for 2 years was 291,959. How many civilians were in labor force in March of each year? Please...

Formula for number sequence

Hello, Can somebody help me with this math problem? There are worker "A" and worker "B". Worker "A" started one project where he can do...

Thank you soooo much

It is on a paper and it has to do with math.

I also need to know the system of equations and I need to graph them.

Which of the following is a factor of 5x2+7x-6? A. X-1 B. X-2 C. 5x+3 D. 5x-3

i need help i ahve no clue how to do this and my teacher wont help me

My graphic communications teacher has never taught us how to figure this out and honestly im clueless, one of my class mates said it was basic algebra but im in algebra 3 and still can't figure it...

youve spent $50 on bracelets to sell at the football game. you want to sell each bracelet for $3. let b be the number of bracelets you sell. write an inequality to determine how many bracelets you...

This keeps stumping me The answer I got is Y=-6x+30 But that doesn't seem right Could someone help me if I got it wrong and if not tell me what I can fix about my answer

multiply the first expression by the second

(f°g)(3) is the problem im stuck on, Help please.