A customer placed an order with a bakery for cupcakes. The baker has completed 37.5% of the order after baking 81 cupcakes. How many cupcakes did the customer order?

Data:
81 cupcakes → 37.5%
"y" cupcakes → 100%

Solving: Rule of three (directly proportional)

\(\frac{81}{y} = \frac{37.5}{100}\)
multiply cross
\(37.5*y = 81*100\)
\(37.5y = 8100\)
\(y = \frac{8100}{37.5}\)
\(\boxed{\boxed{y = 216\:cupcakes}}\end{array}}\qquad\quad\checkmark\)

Answer Link

raphealnwobi raphealnwobi · Answer 2 · 2021-12-10T04:39:37-05:00

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.

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