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? ...

Another Question, If you could explain it that would be nice :D Remember a^2-b^2=(a-b)(a+b)

1/(√a1 + √a2) + 1/(√a2 + √a3) + ... + 1/(√an-1 + √an) = (n-1)/(√a1 + √an) I need to prove this; I don't know how to get from left side...

make X the subject

I would like to know the maximum value and minimum value of x^2-5x+6=0, If I can just get a direct answer with the reason why that would be great!, Please and thank you!

This is extra credit for my math class.

In this project you are given the task of estimating the number of trees that will maximize the fruit production per acre of a local orchard. By researching other orchards, you discover that at 400...

A.) How do you determine the degree of a polynomial in factored form? B.) How do you determine the degree of a polynomial in standard form? C.) How do you determine...

Two angles are complementary. The larger angle is eight times the smaller angle. What are the angles?

I don't know how to get it.

A rectangular garden measures 24m by 32m. a path of uniform width is built all around the outside of the garden. The total area of the path and garden is 1540m2. Find the width of the path. please...

I need an answer

Asking about how much the car price was reduced during the sale (in percentage form).

A creamery operator wants to mix milk(which contains 4% fat) and cream(which contains 40% fat) to make 90 liters of a mixture that will contain 20% fat.

mmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

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