Help for fan and medal

Question

anonymous · Answer

Xander purchased 10 equally priced DVDs online.  He paid $250, which included shipping.  Which statements are true?  Mark all that apply.
		

If the shipping fee was $2, the cost of each DVD was $24.80.
		

If the shipping fee was $6, the cost of each DVD was $24.60.
		

If the shipping fee was $8, the cost of each DVD was $24.20.
		

If the shipping fee was $14, the cost of each DVD was $23.40.
		

 If the shipping fee was $18, the cost of each DVD was $23.40.

triciaal · Answer

(amount  paid - shipping) / 10 = cost of each DVD 

same as 

250 - 10(cost per DVD) = shipping 

find the scenarios that match   (one and three)