Answer :
Data:
81 cupcakes → 37.5%
"y" cupcakes → 100%
Solving: Rule of three (directly proportional)
[tex] \frac{81}{y} = \frac{37.5}{100} [/tex]
multiply cross
[tex]37.5*y = 81*100[/tex]
[tex]37.5y = 8100[/tex]
[tex]y = \frac{8100}{37.5} [/tex]
[tex]\boxed{\boxed{y = 216\:cupcakes}}\end{array}}\qquad\quad\checkmark[/tex]
81 cupcakes → 37.5%
"y" cupcakes → 100%
Solving: Rule of three (directly proportional)
[tex] \frac{81}{y} = \frac{37.5}{100} [/tex]
multiply cross
[tex]37.5*y = 81*100[/tex]
[tex]37.5y = 8100[/tex]
[tex]y = \frac{8100}{37.5} [/tex]
[tex]\boxed{\boxed{y = 216\:cupcakes}}\end{array}}\qquad\quad\checkmark[/tex]
The customer placed an order with the bakery for 216 cupcakes.
An equation is an expression used to show the relationship between two or more variables.
Let x represent the number of cakes ordered by the customer.
The baker has completed 37.5% of the order after baking 81 cupcakes. Hence:
81 cupcakes = 37.5% of x
0.375x = 81
x = 216
The customer placed an order with the bakery for 216 cupcakes.
Find out more at: https://brainly.com/question/21105092