Javier asks his mother how old a tree in their yard is. his mother says, “the sum of 10 and two-thirds of that tree’s age, in years, is equal to 50.” javier writes the equation { 10 + 2/3} where a is the tree’s age in years. his equation is not correct. what error did he make?

The correct equation for finding the age of the tree is and the age of the tree is 60 years.

“The sum of 10 and two-thirds of that tree’s age, in years, is equal to 50.”

Javier writes the equation,

where a is tree's age in years.

Now, from the given condition, let us make the equation that leads to the age of the tree in years.

Hence, the correct equation is given below:

Thus, the correct equation for finding the age of the tree is and the age of the tree is 60 years.

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Javier's equation is not correct because the variable "a" should be multiplied by only and then added to

Step-by-step explanation:

Let

a------>is the tree’s age in years

we have that

-------> Javier's equation

we know that

The equation that represent the situation is equal to

Solve for a

Multiply by both sides

Javier's equation is not correct because the variable "a" should be multiplied by only and then added to

step-by-step :