Max eats 1 and 1/2 cups of food at each meal, and Fido eats 3/4 cups of food at each meal. If Omar feeds his dogs twice a day ho
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Sum of an infinite geometric sequence with the common ratio r, and the first term a1 is 
we notice
-2 times -1/4=1/2,
1/2 times -1/4=-1/8
so a1=-2
r=-1/4 or -0.25
so the sum is
=
=
=
=
the sum is -8/5 or -1.6
we notice
-2 times -1/4=1/2,
1/2 times -1/4=-1/8
so a1=-2
r=-1/4 or -0.25
so the sum is
the sum is -8/5 or -1.6
