6
Step-by-step explanation:
7(6) = 42
3, 12, 48, 384, 1536, 6144, 24576, 98304
step-by-step explanation:
just keep timing it by 4.
9 sandwiches per hour
when we have a rate, we want a 1 in the denominator
27/3 = 9
27 sandwiches/ 3 hours = 9 sandwiches/hour