Question 278214
M = "Marion NOW" ___ L = "Les NOW"


"four years ago, marion was 2/3 as old as les was" ___ M - 4 = 2/3 (L - 4)


"now she is 3/4 as old as he is" ___ M = (3/4) L


substituting ___ (3/4)L - 4 = 2/3 (L - 4)


9 L - 48 = 8L - 32 ___ L = 16


substituting ___ M = (3/4)(16) = 12