Problema Solution
find an equation of variation in which y varies directly as x and the following are true. Then find the value of y when x = 25.
y=6 when x = 3
Answer provided by our tutors
y=kx is the equation .
6 = 3k
or k = 2
hence, y =2x is the equation.
y = 2*25 = 50 at x = 25. Ans.