Question

Vinod's age is two-third of seema's age. But 10 years ago Seema's age was twice the age of vinod. Find Seema"
current age.
​

Answer 1

Answer:

seem as age=x years

vinodsage = 2x/3yrs

lOyrs ago:

seem as age=x-l0yrs

Vinodsage = 2x/3-10yrs

x-l0=2(2x/3)-10

x-10=2(2x-30)/3

x-lO=(2x-30) 2/3

3x-30= 4x-60

x=30

Seemas current age 30 yrs

.

Answer 2

Seema's current age is 30 years.

• An equation is said to be linear if the maximum power of the variable is consistently 1. Another name for it is a one-degree equation. A linear equation with one variable has the conventional form Ax + B = 0. In this case, the variables x and A are variables, while B is a constant. A linear equation with two variables has the conventional form Ax + By = C.
• Each term in a linear equation has an exponent of 1, and when this algebraic equation is graphed, it always produces a straight line. It is called a "linear equation" for this reason.

Here, according to the given information, we are given that,

Vinod's age is two-third of Seema's age.

Let Seema's age be x.

Then, Vinod's age is $\frac{2x}{3}$.

Again, $x + 10 = \frac{4x}{3}$

Or, $3x+30 = 4x$

Or, x = 30.

Then, Vinod's age is $\frac{2x}{3}$ = 20.

Then, Seema's current age is 30 years.

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