Solve 30x < 200 when:

(i) x is a natural number

(ii) x is an integer

Solve 30x < 200 when:

(i) x is a natural number

30x < 200 ⇒ x < ²⁰⁰/₃₀ = ²⁰/₃ = 6.66

∴ x = 1, 2, 3, 4, 5, 6

(ii) x is an integer

30x < 200 ⇒ x < 6.66

∴ x = ..., -3, -2, -1, 0, 1, 2, 3, 4, 5, 6