Respuesta :
Joshua will need 7 additional customers.
Since Joshua's goal is to sell more than 20 items at a farmers' market and he has sold 6 items.
If each of his customers buys 2 items, the number of additional customers needed will be:
= (20 - 6) / 2
= 14 / 2
= 7
He'll need 7 additional customers.
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