Answer:
there are 45 people in the group
2/3xA=30
2A=30x3
A=90/2
A=45
Answer: 19
Step-by-step explanation:
36....we need to break this down...12 * 3 = 36
12 * 3....we can break this down because 12 is not prime...4 * 3 = 12
4 * 3 * 3...we can break the 4 down because it is not prime
2 * 2 * 3 * 3 <==== prime factorization