7 carpet - weavers can weave 7 carpets in 7 days. at the same rate, how many carpets would be woven by 14 carpet - weavers in 14 days?	Select the correct option
A) 14  B) 28  C) 21  D) 35  E) none of these
<gadget id="calculator">7 + 7</gadget>
<output>14</output>

<gadget id="calculator">14 + 14</gadget>
<output>28</output>

<result>B</result>
7 carpet - weavers can weave 7 carpets in 7 days. at the same rate, how many carpets would be woven by 14 carpet - weavers in 14 days?
add(14, add(7, 7))
explanation : solution : let the required number of carpets be x . more weavers , more carpets ( direct proportion ) more days , more carpets ( direct proportion ) weavers 7 : 14 } : : 7 : x days 7 : 14 . ' . 7 * 7 * x = 14 * 14 * 7 < = > x = 14 * 14 * 7 / 7 * 7 = 28 . answer : b