Question

y+y/0.5+y/0.2+y/0.125

Answer 1

\(y+\dfrac{y}{0,5}+\dfrac{y}{0,2}+\dfrac{y}{0,125}\\ =y+y\times\dfrac{10}{5}+y\times\dfrac{10}{2}+y\times\dfrac{1000}{125}\\ =y\times\left(1+2+5+8\right)\\ =y\times16\)