Jeremy can purchase a 1.2 pound package of ground beef for 4.55 or a 1.6 pound package for 6.30 which is the better buy

Find the LCM (Lowest common factor) of both numbers. 

So, 1.2 x 4 = 4.8
1.6 x 3 = 4.8

We now have the same amount of ground beef for each cost. So for 1.2 lb of beef we do, 4.55 x 4 = 18.2 (£18.20)
And then 6.30 x 3 = 18.9 (£18.90) 

So, 1.2 lb package of ground beef is the better buy. 

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