In one DNA molecule of T22% nucleotides, determine the percentage of AGC nucleotides separately for this molecule?

Chargaaf’s rule allows you to solve this problem. In the sum, all the elements in the DNA chain are 100%. T is always equal in quantity to A, which means A is equal to 22%. Parallel elements of pairs add up to 50%. This means that A + G, for example, is equal to 50%. Knowing A, we learn G. G = 50% – 22% = 28%. We will do the same with Ts. Ts = 50% – 22% = 28%.
Answer: A (22%), G and C (28%).