A number is made up of two digits. the sum of digits is 11, if the digits are interchanged, the original number is increased by 9. find the number

the two digits that make up this number is 11, which leaves the answer to between 2 and 9 (2,3,4,5,6,7,8,9)

the digits in the number are interchanged, the number would be increased by 9.

So, the answer is 56.

answer; i do believe that the answer is (c) electrolyte imbalance or (d) cessation of menstrual cycle; plz check first good luck

i would say b. research typically uses a variety of sources