Do parallel lines cross

It takes an older pump twice as long to drain a certain pool as it does a newer pump. Working together, it takes the two pumps hours to drain the pool. How long will it take the newer pump to drain the pool working alone? Do not do any rounding.

Find 56,794 divided by 338. Write the quotient twice, once with the remainder as a fraction and one with an r.

Davis used a drawing and a scale factor of 4 to design his triangular yard. The area of the yard is 400 ft. He wants to find the area of the scale drawing.

John is collecting vintage baseball cards and has about 25 he got from his dad. He is collecting about 2 cards per month. Write a function, C (x), that represents how many cards John has after x months.

Suppose you have 192 marbles in groups of 15 marbles each. Find the number of groups of marbles that you have. Write the quotient with the remainder written as a fracion. Explain what the fraction of your answer means

If Johnny has four apples and he eats 7 how many apples does he have left over

What is the greatest common factor of a^6b^3 and a^4b^7

What is 744/1000 in simplest form?

29/9 as a mixed number?

Investments Suppose that you have $4000 to invest and you invest x dollars at 10% and the remainder at 896, write expressions in x that represent (a) the amount invested at 8%, (b) the interest earned on the x dollars at 10%, (c) the interest earned