D:devaughn
S:sydney
D+S=83. First equation
D=S-9. Second equation
D-S=-9
Add 2 equations
D+S+D-S=83-9
2D=74
D=37
Devaughn is 37 years old
So
D+S=83
37+S=83
S=46
Sydney is 46 years old
Answer:
-6,-3
hope this helps
have a good day :)
Step-by-step explanation:
Answer:
D. 24.9
Step-by-step explanation:
95/382 converted to a percentage is 24.9
Answer:
9/12 or 3/4
Step-by-step explanation:
5+3+4=12
12-3=9
9 cards are not green so there is 9/12 of a chance the card is not green
21.25 miles. 85/4. 85 mph divided by 4 because 15 is one fourth of an hour. Hope this helps!
