Question

R varies directly as S and inversely as T. if R = 8 when S = 4 and T = 3, then R is equal to ​

Answer 1

R = 6S/T

Explanation:

R ∝ S/ T

》R = kS/ T

》k = RT/ S

If R = 8 when S = 4 and T = 3

then, k = (8 × 3)/ 4

k = 6

∴ R = (6 × S)/ T