Two cars, A and B, drive from point A to point B at the same time. Their speed ratio is 7:5. How many minutes does it take for car A to complete the journey in 70 minutes?
甲乙两辆汽车同时从A地开往B地，它们的速度比是7：5，甲车走完全程70分，乙车走完全程要多少分．
<gadget id="calculator">7 * 70</gadget>
<output>490</output>

<gadget id="calculator">490 / 5</gadget>
<output>98</output>

<result>98</result>