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Novosadov [1.4K]
3 years ago
11

Devaughn's age is three times Sydney's age. The sum of their ages is 80. What is Sydney's age?

Mathematics
2 answers:
Gekata [30.6K]3 years ago
6 0
U times any number by 3 and see witch ones the closest
27x3=81 that's what I think and that's the closest
Brut [27]3 years ago
6 0
Sydeney is 20. Since Devaughn is three times older than sydeney she would be 60. And 60 plus 20 is 80
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Answer:

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Step-by-step explanation:

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y = 22 - x = 1.3

Which is not possible

If the total cost is $152.5

x + y = 22 (1)

5.5x + 9y = 152.5 (2)

y = 22 - x

5.5x + 9(22 - x) = 152.5

5.5x + 198 - 9x = 152.5

-3.5x = 152.5 - 198

-3.5x = -45.5

x = 13

y = 22 - 13 = 9

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Answer:

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