4. If
x = 20 when y = -4, find y when x = 10.
5. If
x = 5 when , find y when x =
10.
6. If x = 2.5 when y = 100, find x when y =
50.
7. If when y = -105, find x when y = 4.
x = 20 when y = -4, find y when x = 10.
5. If
x = 5 when , find y when x =
10.
6. If x = 2.5 when y = 100, find x when y =
50.
7. If when y = -105, find x when y = 4.