
Patrick B. answered 01/16/19
Tutor
4.7
(31)
Math and computer tutor/teacher
ASSUMING it is a LINEAR function,
y = kx
20 = k(6)
k = 20/6 = 10/3
y = (10/3)x
when x =63, y = (10/3)(63/1) = 10*21 = 210