Together, Fay and Rob can paint a house in 3 days. It would take Rob 3 times as long as it would take Fay to do it alone. How long would it take each of them, working alone?

Together, Fay and Rob can paint a house in 3 days. It would take Rob 3 times as long as it would take Fay to do it alone. How long would it take each of them, working alone?

Im not sure how to solve it.

Peanuts cost $7 a pound. Cashews costs 9$ a pound. There is a mixture of peanuts and cashews that weigh 10 pounds and costs$84.

Find the amount necessary to fund the given withdrawals. Quarterly withdrawals of $550 for 5 years; interest rate is 6.6% compounded quarterly. The amount necessary to...

homework problem

homework questions i am confused on

homework questions i dont know how to solve

yes I will do the algebra.

linear function

A ball is propelled upward from ground level. After T seconds, its height in feet is a function defined by f(t)=-16t^2+128t After how many seconds will it reach a height of 112 feet.

R (x)=200x-2x2 C (x)=-X2 +10x+7425 0< x < 100 Find the number of units that must be produced to break even.

Al delivers twice as many papers as Julie. Brady delivers 50 more papers than Al. How many papers do each deliver out of 550 papers?

3x2 y2 --------- 2x-1 × 4yx2

Maddie works at Pizza Plaza on the weekends. If she earned (2x² - 3x + 2) dollars Friday night and (5x² + x – 8) dollars Saturday night, what is her total income for the two nights? Question...

This is one of my questions on my homework that I just cannot figure out.

Beginning algebra

I need help with the following question: the area of a right triangle is 20cm. If the height of the triangle is 4cm then what is the perimeter?

its important that this is solved i have been laboring over this question for the last 30 mins and cant solve it so plz solve or help me solve it

the equation of the line that passes through (1, 5) and (–2, 14) in slope-intercept form.

Intermediate Algebra; it takes 12 minutes to set up a candy machine. once the machine is set up, it produces 15 candies per minute. Use an inequality to find the number of candies that...