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Whet is Emma's age? x is Tara's age now Emma is 3x 3x + 7 = 2(x+7) 3x + 7 = 2x + 14 x = 7 Emma is 7 years old and tara 21

Answered by pepe11 | 2024-06-10

As per the **unitary method, **Emma's current age is 21 years old.
Let's use **algebra **to represent the ages of Emma and Tara. Let E be Emma's current age, and T be Tara's current age.
According to the first piece of information, Emma is three times as old as Tara. We can write this as an equation:
E = 3T
Now, we are given that in seven years, Emma will be twice as old as Tara will be. In seven years, Emma's age will be E + 7, and Tara's age will be T + 7. The equation for this **relationship **is:
E + 7 = 2(T + 7)
Now we have a system of two equations:
E = 3T
E + 7 = 2(T + 7)
We can use these equations to find Emma's current age (E). Let's solve the **system **of equations:
Substitute the value of E from the first equation into the second equation:
(3T) + 7 = 2(T + 7)
Now, distribute the 2 on the right side of the equation:
3T + 7 = 2T + 14
Next, move all the terms with T to one side of the equation :
3T - 2T = 14 - 7
T = 7
Now that we have found Tara's age (T), we can find Emma's age (E) using the first equation:
E = 3T
E = 3 * 7
E = 21
To know more about **unitary method **here
https://brainly.com/question/28276953
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Answered by BakkiyaLakshmi | 2024-06-18

Emma is currently 21 years old. We find her age by setting up equations based on the information given. By solving the equations, we determine that Tara is 7, leading to Emma being three times Tara's age.
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Answered by BakkiyaLakshmi | 2024-10-01

Jawab:Penjelasan dengan langkah-langkah:Jawab: d) -7 / 9^8. e) a^2 / b^8. Penjelasan dengan langkah-langkah: d) -7 x 9^-8. -7 / 9^8. e) a^2b^-8. a^2 / b^8.

Answered by hotelpoornaveg | 2025-07-12