how do i do this

Question

what is the greatest common factor of 28 and 18

 

if a dozen packages of seeds cost $8.64

 

Anna paid 11.52that were priced  for3packages for 2.88 seed how many packages  did she buy

 

 

Answer 1

Factor are two numbers that are multiplied together give a result.  That result is the product.

 

Factors of 18: 1, 2, 3, 6, 9, 18

Factors of 28: 1, 2, 4, 7, 14, 28

 

 

Now we pick the greatest factor these two numbers have in common.  That number is 2.