Burger King is offering free Whopper sandwiches to students who can answer questions about school subjects to unlock promotional codes for its BK App, per an announcement shared with Mobile Marketer.
From today (April 13) through April 20, the burger chain will post questions about subjects including math, biology, chemistry and literature to its Facebook and Instagram accounts. Students must enter their answers to the questions in the BK App to redeem the free Whopper with any purchase.
The free offer is limited to one for each student who enters on the BK App. The contest is open to registered customers in the U. S.
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