in a box of cookies one sixth of the cookies are broken. There are 28 more whole cookies than broken cookies. How many cookies are in the box?
c = c/6 + (28 + c/6)
2c/3 = 28
c = 42
check:
7 broken,
35 whole
2c/3 = 28
c = 42
check:
7 broken,
35 whole