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.