Answer:
12 = 27
x = 9
9 = 20.25
Step-by-step explanation:
Here we can see cost of 1 muffin = $2.25
And we can see here muffin is increasing by 3
So
And cost of 9 muffins = $2.25 * 9 =$ 20.25
And
Cost of 12 muffins = $ 2.25 * 12 = $27
