A. 1 third of 3 over 4 = fourth(s)?

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.

For what value of x does 4x = (1/8) x + 5?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much