honeygirl383 honeygirl383

21-10-2019
Mathematics

contestada

If D varies directly with t and D is 105 when t is 3 find D when t is 8

Respuesta :

bayosanuade bayosanuade

22-10-2019

Answer:

D ∝ t

implies

D = Kt

substituting D = 105 and t =3

implies 105 = K x 3

therefore K = 105/3

K = 35

The formula then becomes

D = 35t

When t = 8

D = 35 x 8

D = 280

Step-by-step explanation:

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