Five-sevenths of the t-shirts in a t-shirt shop are blue. seven-ninths of those
t-shirts are on sale. one-fifth of the blue t-shirts that are on sale are size
medium. what fraction of the shop's t-shirts are blue t-shirts that are on sale
and are size medium? explain.

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: