There was some firewood on a pile. Ms. Mitchell adds 5/8 pounds of firewood. If there is now 3 1/8 pounds of firewood on the pile, how many pounds of firewood was there to start with?

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.

What is the answer to the question 5x+2x