Answer:
the answer is C
used graphing calculator
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She buys 2 boxes each week for a year (there is 52 weeks in a year) = 2 x 52 = 104 boxes per year
if each box contains 8 granola bars...and she buys 104 boxes, then she buys:
104 * 8 = 832 granola bars
0.4 is

and that simplified is

because you take the GCF or Greatest Common Factor, which is two, and divide both parts of the fraction taking

and turning it into