Devaughn is 12 years younger than Sydney. The sum of their ages is 52 . What is Sydney's age?

Question

I'm finishing up math and the semester ends tommorw! I will take all the help I can get, thank you!!

Answer 1

D =age of Devaughn

S= age of Sydney

 

D+12=S

S+D=52

 

or

 

 

S+D=52

S-D=12

 

2S=64, S=32, D=20