The cafeteria ordered 400 paper plates they use 226 at breakfast they bought 100 more then they use some plates for lunch now there are 78 plates how many plates did they use at lunch

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

Determine the common ratio and find the next three terms of the geometric sequence. 10, 2, 0.4, a. 0.2; -0.4, -2, -10 c. 0.02; 0.08, 0.016, 0.0032 b. 0.02; -0.4, -2, -10 d. 0.2; 0.08, 0.016, 0.0032 select the best answer from the choices provided a b c d

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great