Coleenilaviz
Answered

an example problem for Joint Variation

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Jefsonfelixviz
.  a varies jointly as b and c.  One set of values is a = 86.4 when b = 9 and c = 12.       Find a when b = 20 and c = 6.5     
Fipauxviz
Find the equation of variation where "a" varies jointly as "b" and "c", and a=36 when b=3 and c=4.