 <translate> Saurin saukar da ruwa = d/t = 90/(2 1/2) = 36 kmph Saurin hawan sama = d/t = 45/(2 1/2) = 18 kmph Saurin rafin = (36 - 18) / 2 = 9 kmph Saboda haka, amsar ita ce (A). <ibo> Speed ala mmiri = d/t = 90/(2 1/2) = 36 kmph Speed elu mmiri = d/t = 45/(2 1/2) = 18 kmph The ọsọ nke iyi = (36 - 18) / 2 = 9 kmph N'ihi ya, azịza ya bụ (A). 