Answer :
n= days for cruises to be equa
851 + 75 = 100n + 30
-85n
85n
75=151-39
45:457
1=3 day the cost will
be equal
851 + 75 = 100n + 30
-85n
85n
75=151-39
45:457
1=3 day the cost will
be equal