Can you tell me how you get your answer

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Can someone me find the original price? the discount is 5% and the sale price is $68.40

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon