Which of these is not a reason for using a placebo

so that the effect of a patient’s mind is taken into account in the drug testing

Step-by-step explanation:

just took the test

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

answer: 10 meter

step-by-step explanation:

need details