Selina bought a shirt on sale and she paid 80% of the original price . the sale price of the shirt was 5$ less than the original price. what was the original price of the shirt? and what price did selina pay? need answers asap

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices