 
<translate> Sue za ta tuka 7 - 4 = kwana 3 a mako. Saboda haka za ta biya 2100 * 3 / 7 = $900. Saboda haka amsar karshe ita ce 900. <eng> Sue will drive 7 - 4 = 3 days a week. So she will pay 2100 * 3 / 7 = $900. So the final answer is 900. 