Jeremy saves $2.75 each week how many weeks will it take him to save enough money to buy a model kit that cost $13.75?

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?