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Answer:
Each scholar have to sell 4 boxes in order to raise enough money to cover the team's travel expenses
Step-by-step explanation:
Let x denotes number of boxes to be sold by each scholar to raise enough money to cover the team's travel expenses.
Number of scholars = 7
Total number of boxes
Total number of chocolate bars
Price of 1 chocolate bar = $2
Price of chocolate bars
Also,
Total amount to be raised for travel expenses = $1680
So,
Therefore,
each scholar have to sell 4 boxes in order to raise enough money to cover the team's travel expenses