Brian and Jennifer each take out a loan of X. Jennifer will repay her loan by making one payment of 825 at the end of year 12. Brian will repay his loan by making one payment of 1300 at the end of year 12. The nominal semiannual rate being charged to Jennifer is exactly one-half the nominal semiannual rate being charged to Brian. Calculate X. [1.a(vi-ix) #05]