What is the inequality shown

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.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Graph the line with the given slope m and y-intercept b. m=-3,b=1