In a bake​ sale, you recorded the number of muffins sold and the amount of sales in a table as shown.

a. What is a function that relates the sales and the number of​ muffins?
b. How many muffins would you have to sell to make at least ​$262.50 in​ sales?
Number of
muffins​ (m)
Sales​ (s)
9
​$15.75
15
​$26.25
19
​$33.25
20
​$35.00
a. Write the function
b. To make ​$262.50 in​ sales, you would need to sell at least
  
150 muffins.

a. The function that relates the number of muffins sold (m) to the amount of sales (s) is:

s = 1.75m

b. To make at least $262.50 in sales, you would need to sell at least 150 muffins.

262.50 = 1.75m
m = 150 muffins