Mary has 12 marbles. 3/12 marbles. are yellow and 2/12 of the marbles are blue. the rest of the marbles are green. how many marbles are green? ? explain how you know.

Atypical mre contains 1,200 calories.if the average solider eats 3 mre per day and is deployed for 15 months how many calories will be consumed by a 44 member platoon of soldiers

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

The sixth grade art students are making a mosaic using tiles in the shape of right triangles.each tile has leg measures of 3 centimeters and 5 centimeters.i f there are 200 tiles in the mosaic what is the area of the mosaic.