(The attached image has additional info) 6: What category in the table shows the least portion?

7: Which is greater, the percent of 7th-graders or 8th-graders participating in other activities?

(Please show work!!)

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

Can anyone explain to me how to do this? anything will .