It would be 1/3rd because your last number would be 4 in the equation of 12 sandwiches.
It's quite simple when you break it down
20/45 let's divide by 5
4/9
we can't divide anymore, no common denominator. The answer is 4/9
Answer: 4 to the power of 4
Step-by-step explanation: Adrian started of with $4 and by month 4 he will have 256. 4•4•4•4=256
Answer: It would be area, because it involves multiplying length by width, therefore covering the inside
Step-by-step explanation: