8+6.5+2x=52
52/2=8+6.5+x
26=8+6.5+x
26-8-6.5=x
11.5=x
As we know that fulcrum is shifted to one side by 1.33 cm
so here let say left side mass is m1 while on other side mass is m2
so we will have


now in order to find the percentage we have



so it is 10.5 % less mass
<span>To relate or measure the by the quantity of something, not against the quantity</span>