Answer: 34.18%
Explanation:
Given: On Saturday, Number of cupcakes sold =
dozens
=
dozens
[ 1 dozen = 12 items]
![=53*6\\\\=318](https://img.qammunity.org/2022/formulas/mathematics/high-school/qkpc0sb71yb3voqqilqkowd88oreq6lnae.png)
On Friday, Number of cupcakes sold =
dozens
=
dozens
[ 1 dozen = 12 items]
![=79*3\\\\=237](https://img.qammunity.org/2022/formulas/mathematics/high-school/yin19qao5wu09u2n34n79pfx2bizxhb6ks.png)
Increase in cupcakes = 318-237=81
Percent increase in cupcakes sales from Friday to Saturday =
![(81)/(237)*100](https://img.qammunity.org/2022/formulas/mathematics/high-school/t6j9b1rhp7dqkuds2ep9jl7wlgc3svz13u.png)
= 34.18% (approx)
The approximate percent increase in cupcake sales from Friday to Saturday = 34.18%