#### A rectangle of area 105 cm² has a length equal to x cm. Write down its breadth in terms of x. Given that the perimeter is 44 cm, write down an equation in x and solve it to determine the dimensions of the rectangle.

**Solution:**

#### A rectangular garden 10 m by 16 m is to be surrounded by a concrete walk of uniform width. Given that the area of the walk is 120 square metres, assuming the width of the walk to be x, form an equation in x and solve it to find the value of x. (1992)

**Solution:**

**More Solutions:**

- At an annual function of a school, each student gives a gift.
- The speed of an express train is x km/hr and the speed.
- An aeroplane traveled a distance of 400 km at an average speed of x km/hr.
- An aeroplane flying with a wind of 30 km/hr takes 40 minutes.
- A boat can cover 10 km up the stream and 5 km down the stream in 6 hours.
- Rs. 480 is divided equally among ‘x’ children.
- A trader buys x articles for a total cost of Rs. 600.