Answer:
n-1.5<1350/400
Step-by-step explanation:
n=# of nights
Each night costs $400.
We are getting 1.5 free nights.
n-1.5<1350/400
n-1.5<3.3375
n-1.5<3
n<4.5
n<5
You can spend up to 5 nights in the hotel.
Check:
5-1.5<1350/400
3.5<3.375 X
4-1.5<1350/400
2.5<3.375 ✓