Question 644380
M = 21+A


M+A = 165


21+A+A = 165


21+2A = 165


2A = 165 - 21


2A = 144


A = 144/2


A = 72


So Ashely is 72 years old.


M = 21+A


M = 21+72


M = 93


And Mark is 93 years old.


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