Answer:
The cost of the bench is $250
Step-by-step explanation:
let garden table be g
let bench be b
so we have: g+b = $1000 and g = three times of b, that is g = 3b. substitute the value of g = 3b into g+b = $1000, therefore 3b+b = $1000
4b = $1000
b = $1000\4
b = $250.