8plates cost 48 dollars, how much do 20 plates cost?

Listed below are the measured radiation absorption rates? (in w/kg) corresponding to 11 cell phones. use the given data to construct a no plot and identify the 5- number summary

Ineed if you could explain and give me the answer you! this needs done

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6