1. (8 points) if there are 81 gold coins with one of them a fake lighter coin, describe a non- adaptive solution that will find the fake coin using 4 weighings of a pan balance. (hint: how many four letter words can be made using only the letters a, b and c? use these words to label the coins

10 you would take 50/ .2

step-by-step explanation:

i agree because i see the other persons thinking is clear

twenty-six miles over two gallons because the proportion for the original 13 miles to one gallon would be written 13/1 and, doing the same thing to the top and bottom, i multiplied by 2 and got 26/2