Given the two equations 10r + 5s = 115 and r + 2s = 16, by how much does r exceed s? Choose the correct choice from the following
A) 3  B) 4  C) 5  D) 6  E) 7
Solve by Simultaneous Equations.   My Answer is E.   r=10   s=3
<result>E</result>
Given the two equations 10r + 5s = 115 and r + 2s = 16, by how much does r exceed s?