Atown's recreation department is updating its parks. the parks must have slides and swings.

let x be the number of swing sets and y be the number of slides.

the number of new slides must be more than three times the number of new swing sets. each swing set costs $275 and each slide costs $168. they can spend no more than $1,250.

select all of the constraints for this situation.

x> 3y

275x+168y≤1250

x> 0

y> 3x

y> 0

275x+168y< 1250

Number of swings = x
Number of slides = y

First condition:
number of slides must be more than 3 times number of swings
This means that: y > 3x

Second condition:
each swing cost 275$ and each slide costs 168$. They cannot spend more than 1250$. This means that the sum of costs of swings and slides should not exceed 1250$ (should be less than or equal to 1250$)
This means that: 275x+168y ≤ 1250

Based on this:
The correct choices are: b and d