cbreeden20041 cbreeden20041

16-09-2018
Mathematics

contestada

Devaughn's age is two times Sydney's age. The sum of their ages is
15
. What is Sydney's age?

Respuesta :

liv1329 liv1329

17-09-2018

5? Because 5x2 is 10 and 10+5 is 15.

Answer Link

17-09-2018

Devaughn's age = d

Sydney's age = s

d = 2s

d + s = 15

2s + s = 15

3s = 15

s = 5

Sydney is 5 years old

Answer Link

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