Write “400 pounds per 340 square feet” as a rate in simplest form

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

How do newtons third law of motion demonstrates on a rollar coster