To get the Greates Common Factor (GCF) of 225 and 415 we need to factor each value first and then we choose all the copies of factors and multiply them:
Let x: amount of pounds of cheese that Bill can buy. We can write the following inequation for this problem x <= 1/2 Therefore, Bill could buy up to 1/2 pound of cheese. answer 1/2 pound of cheese (maximum)