Part 2:
Aaron bakes 3 trays of cookies each containing 10 cookies and Ethan bakes 4 trays of cookies each containing 12 cookies.
They bake same number of trays everyday for 6 days.
Write an expression to find how many cookies they bake altogether.
A.3×10×4×12×6
B.6(3×10+4×12)
C.3×10+4×12
D.3+10+4+12+6
Part 2
Calculate how many cookies Aaron and Ethan baked altogether.
_________________________cookies