The school bought 5 basketballs and 20 skipping ropes for 490 yuan. It is known that each basketball is 85 yuan, how much is each skipping rope?
学校买来5个篮球和20根跳绳共用去490元．已知每个篮球85元，每个跳绳多少元？
<gadget id="calculator">85 * 5</gadget>
<output>425</output>

<gadget id="calculator">490 - 425</gadget>
<output>65</output>

<gadget id="calculator">65 / 20</gadget>
<output>13/4 = around 3.25</output>

<result>13/4 = around 3.25</result>