Posted by sue on .
How can I combine these 2 equations to give an equation for b which does not include m 
b=da/m
a=me^2

math 
Reiny,
solve each one for m, then set these equations equal to each other
b=da/m > m = da/b
a=me^2 > m = a/e^2
so da/b = a/e^2
b = de^2, the a's cancelled