Respuesta :
First you convert 20% into a decimal which is 0.2 and multiply that by 42 and you get 8.4, that's the discount. Then you subtract 8.4 from 42 and get $33.60 which is your answer. Hope this helps!!
Answer:
33.60 I dont expect you to mark me brainliest. i even spelled that wrong. Im too lazy to write down the step by step.