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Mathematics 7 Online
OpenStudy (pixiedust1):

=

OpenStudy (amistre64):

how would you process this? what is a direct variation tell us?

OpenStudy (amistre64):

rate of change is a good thought: if a varies directly with b, then a = kb such that k is constant. a = kb a/b = k for all a,b

OpenStudy (amistre64):

in this case we have calories and grams c = kg c/g = k

OpenStudy (amistre64):

youre welcome. just place c=27 and g=3 and we have the solution

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