Perform the operation and write the answer in simplest form.
6 3/14 x 3 1/9
a.)9 1/42
b.)5 1/9
c.)19 1/3
d.)18 1/42

Marissa can buy 3 oranges for $1.35 4 oranges for $.80 or 5 oranges for $2.25 marissa can buy 10 oranges for a price that fits this pattern or a bag of oranges for $4.25 which way costs less for 10 oranges