Answer: There are 30 calories in peanut treat and 25 calories in coconut treat.
Explanation:
Given: Ben ate 2 of the peanut treats and 4 of the coconut treats for a total of 160 calories.
The equation corresponding to the above statement is

Also, Arnoldo ate 3 of the peanut treats and 2 of the coconut treats for a total of 140 calories.
The equation corresponding to the above statement is

i.e. x represents the number of calories in one peanut treat and y represents the number of calories in one coconut treat.
Also, the solution of system of linear equations is in the form of (x,y).
The given solution : (30,25)
It means there are 30 calories in peanut treat and 25 calories in coconut treat.