Mitch's age is five less than half of Lyle's age. Nine years ago, the difference in their ages was 21. How old are they?
+36916 M = 1/2 L -5 (given)
(L-9) - (M-9) = 21 sub in the 'given' for M
L-9 - (1/2L-5 -9) = 21
1/2L -9 +5+9 = 21
1/2 L = 16
L=32
then M = 1/2 L -5 =11 y/o
+36916 M = 1/2 L -5 (given)
(L-9) - (M-9) = 21 sub in the 'given' for M
L-9 - (1/2L-5 -9) = 21
1/2L -9 +5+9 = 21
1/2 L = 16
L=32
then M = 1/2 L -5 =11 y/o
