What is the sum of the positive integers k such that k/27 is greater than 2/3 and less than 8/9?

So we want to make them have the same denomenator so

k/27
2/3 times 9/9=18/27
8/9 times 3/3=24/27

so k/27>18/27 and k/27<24/27 or
18/27<k/27<24/27

the possible numbers for k are 19,20,21,22,23
so the sum of the positive integers could be any positive whole numbers (1,2,3,4, etc) that add up to 19,20,21,22,23 exg 10,9      10,10     10,11  20,2  21,2 etc

she will have 4.44 ounces of cornstarch left

Step-by-step explanation: 1 pound=16 ounces 16*5=80 ounces 80 ounces equal 5 pounds then you divide 80 by 18 and your answer should come out as 4.44 ounces