No. of Pizzas sold yesterday = 65
Let it be increased by 20% to receive the bonus,
So,
[tex] = 65 \times \frac{100 + 20}{100} \\ = 65 \times \frac{120}{100} \\ = 65 \times \frac{6}{5} \\ = 13 \times 6 \\ = 78 [/tex]
Pizzeria has to sell 78 pizzas today to receive bonus.
!! Hope It Helps !!
