A toy shop purchases 125 identical stuffed animals for a total cost of $312.50 and sells them for $7 each. What is the percent markup?

312.50 ÷ 125 = 2.5$ - the cost of 1 stuffed animal.
7 ÷ 2,5 * 100% = 280%
280% - 100% = 180% - percent markup.
Answer:: 180%.