Question

A student weighed some raisins and recorded the weight as ‘x’. She then soaked the raisins in distilled water. After about 2 hours she removed the raisins, wiped them dry and weighed again and recorded that as ‘y’. The percentage of water absorbed by raisins may be determined using the relationship(A) $\frac{y-x}{y} \times 100$(B) $\frac{y-x}{x} \times 100$(C) $\frac{y-x}{x} \times \frac{1}{100}$(D) $(y-x) \times 100$

Answer 1

y-x/x*100 apply x is first wt

y is second wt x-y gives wt gained divide it by x multiply with 100