MATH
posted by Gian on .
It takes Hank twice as long ot build one table as it takes to build one chair. If it takes 30 hours to make a dinning room set of 1 table and 4 chairs, how long does it take to make the table?

Let c = the time for one chair.
4c + 2c = 30
6c = 30
c = 30/6
c = ?