Answer:
X=10
Explanation:
To solve this we have to clear the value of p from the given equation, this will make the equation true for a value of p
x=10
Rearrange to get p on one side
2.5=0.4p-0.15p
2.5=0.25p
Divide both sides by 0.25
2.5/0.25=x
3.6m questions
4.6m answers