Question

Martin was given 10 math problems, and he has answered 7 of them. What percent of the problems does Martin have left to do?

Answer 1

He has 30% left to do because 10-7=30 which would be 30%

Answer 2

Martian has 30% of the questions left to do. How you find 30% is I did 10-7 and i got 30%. Hope I helped, and good luck!