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xz_007 [3.2K]
3 years ago
5

Devaughn is 8 years older than Sydney. The sum of their ages is 64. What is Sydney's age?

Mathematics
2 answers:
Zigmanuir [339]3 years ago
8 0

Answer:

Sydney's age is 28

Step-by-step explanation:

Let Devaughn be D

And Sydney be S

D=S+8..... equation 1

D+S=64...... equation 2

Substitute equation 1 to equation 2

S+8+S=64

2S+8=64

2S=64-8

2S=56

S=56/2

S=28

Hope it helps

Good luck

sineoko [7]3 years ago
6 0
Let’s take Sydney age as x
And Devaughn age as 8+x
Equation will be
8+x+x=64
8+2x=64
2x=64-8
2x=56
x=28
Therefore Sydney is 28years old
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