Answer:
She will need 191.55 pounds of flour.
Step-by-step explanation:
Given:
Audrey needs 2.4 pounds if flour for birthday cakes and 3.75 pounds of flour for wedding cakes.
If she plans on baking 72 birthday cakes and 5 wedding cakes.
Now, to find pounds of flour will she need.
So, the pounds of flour for 72 birthday cakes:
[tex]2.4\times 72[/tex]
[tex]=172.8\ pounds.[/tex]
And, the pounds of flour for 5 wedding cakes:
[tex]5\times 3.75[/tex]
[tex]=18.75\ pounds.[/tex]
Now, to get the pounds of flour she need we add the pounds of flour to make 72 birthday cakes and 5 wedding cakes:
[tex]172.8+18.75[/tex]
[tex]=191.55\ pounds.[/tex]
Therefore, she will need 191.55 pounds of flour.