Answer:
The amount of money for the rest of the trip is less than or equal to $850
Explanation:
Let
x -----> amount of money for the rest of the trip
we know that
The amount for for the rest of the trip plus the the cost of the gas must be less than or equal to $1,000
so
The inequality that represent this scenario is

Solve for x
Subtract 150 both sides


therefore
The amount of money for the rest of the trip is less than or equal to $850