A dealer originally bought 70 identical batteries at a total cost of q dollars. If each battery was sold at 50 percent above the original cost per battery, then, in terms of q, for how many dollars was each battery sold?  Select: A) 3q/140 B) 3q/2 C) 105q D) q/70 E) 105/q
The cost of each battery was q/70.   Each battery was sold for 1.5q/70 = 3q/140.   The answer is 3q/140.
<result>A</result>
A dealer originally bought 70 identical batteries at a total cost of q dollars. If each battery was sold at 50 percent above the original cost per battery, then, in terms of q, for how many dollars was each battery sold?