If y varies directly as z , and y=19 when z=152

Answer 1

y varies directly as z means:

y = kz

where k is a constant. To find the value of k, simply plug in the given values of y and z and solve for k:

y = kz

19 = k·152

19/152 = k

(1/8) = k

Final equation is y = (1/8)z