3. Russell has a collection of 1,200 pennies. Of these pennies, 25% are 1980, 35% are dated from 1980 to 2000, and the rest are dated after
How many pennies in Russell's collection are dated after 2000?

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?