David buys a bicycle that is on sale for 20% off the original price. The discounted price is $80 less than the original price. What is the original price of the bicycle?

1. Clare has a piece of paper that is 8 inches by 10 inches. How many pieces of paper will Clare have if she cuts the paper in half n times? What will the area of each piece be?

Allison has three containers with 25 crayons in each. She also has four boxes of markers with 12 markers in each box. She gets 10 crayons to a friend. How many crayons and markers does Allison have now?

find the number of running and passing plays using substitution method 110 plays 3 yards per run 7 yards per pass total yards 378

How do I divide 9675 by 5

For 3/4 of a pound of peanuts, jimmy paid $2.35. What is the unit rate (dollars per pound) ?

Eric is getting his mountain climbing cerificate. There are 63 days that Eric climbs for 2 hours, there are 97 days that he climbs for 3 hours. How many more hours does Eric need to climb until he earns a certificate for climbing 500 hours?

Angles that are congruent have vertical lines

Spencer works 8 1/5 hours in day 1 and 7 5/6 hours in day 2. How many hours does he work in both days?

Find three solutions of the equation y = 9x - 4.

If you have an 18% solution, how many milligrams is in each milliliter of solution? A. 18 mg B. 180 mg C. 1.8 mg D. 1800 mg