One number is four times another number. The sum of their reciprocals is 1/4. What are the numbers.

In what ways did balanced and unbalanced forces affect the motion of the gymnast?

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?

If there's any college students out there can you tell me if algebra is really important in college