Answer: She have to sell 32.5 kg to cover her weekly expenses.
Explanation:
Since we have given that
Selling price of cumin per kg = $7.20
Quantity of cumin she sells = 90 kg
Net profit she get = $414
Total amount she get after selling 90 kg is given by

So, Weekly expenses would be

Quantity of cumin she need to sell to cover her weekly expenses is given by

Hence, She have to sell 32.5 kg to cover her weekly expenses.