Xian and his cousin Kai both collect stamps. Xian has 52 stamps, and Kai has 72 stamps. The boys recently joined different stamp-collecting clubs. Xian's club will send him 20 new stamps per month. Kai's club will send him 16 new stamps per month. After how many months will Xian and Kai have the same number of stamps? How many stamps will each have? After months Xian and his cousin will have stamps each.

in 5 months xian and kai will have the same amount of stamps, the amount of stamps they will have is 152 by the time the 5 months come.

Step-by-step explanation:

I provided an attachment showing you how to solve this problem. Hope it helps!

7 weeks

step-by-step explanation:

convert each fraction to the least common multiple of 20, so 3/4 = 15/20 & 1/10 = 2/20, then divide 15 by 2 and you get a little over 7, so the food will last 7 weeks.