Answer : The dinner cost was, $ 42
Step-by-step explanation :
Let the dinner cost be, 'x'
Dinner cost paid by Will =

Remaining dinner cost =

The ratio of dinner cost paid by Micah and sue is 2:5
Dinner cost paid by Micah =

Dinner cost paid by Sue =

As, Sue paid dinner cost $6 more than Will.
That means,





Thus, the dinner cost was, $ 42