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miv72 [106K]
3 years ago
8

Devaughn is 15 years younger than Sydney. The sum of their ages is 73. What is Sydney’s age?

Mathematics
2 answers:
Olegator [25]3 years ago
6 0

Answer:

Sydney is 44 years old

Step-by-step explanation:

<u>Step 1:  Make a system of equations </u>

d = s - 15

<em>d + s = 73 </em>

<u>Step 2:  Plug in s - 15 for d in the second equation and solve </u>

s - 15 + s = 73

2s - 15 = 73 + 15

2s  / 2= 88 / 2

<em>s = 44 </em>

Answer:  Sydney is 44 years old

Alex73 [517]3 years ago
3 0

Answer:

Sydney is 44. I think, hope this helps!

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