How do i solve multi step equations

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?

One file clerk can file 10 folders per minute. a second file clerk can file 11 folders per minute. how many minutes would the two clerks together take to file 672 folders?