There are 50 seashells on the beach after one week there are 120 seashells on the beach if this continues the same patterns how many seashells will there be on the 4th week
Step-by-step explanation:first you subtract 50 from 120 = 70 then 70 x the number of days which is 4 = 280 + the seashells at the beginning which is 50 = 330.
