Suiye L. | Chinese, Economics, Finance, Math, SAT Math, GMAT TutorChinese, Economics, Finance, Math, SAT M...

5.05.0(2 lesson ratings)(2)

1

20,21,22,23. the way to approach this is divide 86 by 4 you will get 21.5. You need intergers, so you can starting at 20 or 21 and increment by 1 to see if they sum up to be 86.