Answer:
The total cost of the grapes, obtained by multiplying the quantity by the unit price = $8.25.
Explanation:
It implies that 3 grapes were purchased and the cost of each is $2.75 per unit.
Therefore, the total cost of the grapes will be given by the following 3*2.75 or quantity multiplied by unit price,
which is equal to 8.25 after multiplication. Then the dollar sign or any other currency sign is added to depict value in monetary terms.