Abox of 12 eggs is divided between 4 people what fraction of 12 eggs will each get

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm. in order for marion to ride her bicycle 96,712 cm approximately how many rotations will the rear wheel make?