Answer:
Fraction of the shop speakers are blue t-shirts that are on sale and are size medium =
Explanation:
Let T be the number of T shirts in the shop.
Three fifths of the t-shirts in a T-shirt shop are blue.
5/8 of those blue t shirts are on sale,
1/3 of the blue t-shirts that are on sale are size medium,
Fraction of the shop speakers are blue t-shirts that are on sale and are size medium =