Order the numbers from least to greatest.
3 39/40 ,3 19/20 ,3 1/2
answer choices
a. 3 19/20, 3 39/40 3 1/2
b. 3 1/2 , 3 39/40, 3 19/20
c. 3 39/40, 3 1/2, 3 19/20
d. 3 1/2 , 3 19/20, 3 39/40

Pranav and molly are selling pies for a school fundraiser. customers can buy blueberry pies and pumpkin pies. pranav sold 6 blueberry pies and 4 pumpkin pies for a total of $106. molly sold 6 blueberry pies and 3 pumpkin pies for a total of $90. find the cost of each of one blueberry pie and one pumpkin pie