Answer:
Step-by-step explanation:
Answer:
49
Step-by-step explanation:
devaughn= x+15
sydney= x
set an equation adding both their ages
x+x+15=113
2x+15=113
subtract 15 from both sides
2x=98
x=49
sydney is 49
-3,1,6 because no values can be repeated and they have to be in order