Question

the combined cost of a TV and a fan is 13000 rupees. the cost of TV is 12 times the cost of the fan.find the cost of each​

Answer 1

Answer:

★ Pen = Rs 1000 ★

Pen = Rs 1000 ★★ TV = Rs 12000 ★

Step-by-step explanation:

Given:

• Combined cost of TV and a Fan is Rs 13,000
• Cost of TV is 12 times the cost of fan.

To Find:

• What is the cost of each items?

Solution: Let the cost of pen be Rs x

∴ Cost of TV will be = 12 times of x = 12x

A/q

$\small\implies{\sf }$ x + 12x = 13,000

$\small\implies{\sf }$ 13x = 13000

$\small\implies{\sf }$ x = 13000/13

$\small\implies{\sf }$ x = 1000

Hence, The cost of pen is Rs 1000 and cost of TV is 12x = 12(1000) = Rs 12,000

Answer 2

• Cost of a fan = Rs. 1000

• Cost of a TV = Rs. 12000

Given :

• The combined cost of a TV and a fan is 13000 rupees.

• The cost of TV is 12 times the cost of the fan.

To find :

The cost of fan and TV

Solution :

Step 1 of 2 :

Form the equation to find the cost of fan and TV

Let cost of a fan = Rs. x

Now it is given that the cost of TV is 12 times the cost of the fan.

∴ Cost of a TV = Rs. 12x

Since the combined cost of a TV and a fan is 13000 rupees

So by the given condition

$\displaystyle \sf x + 12x = 13000$

Step 2 of 2 :

Find the cost of fan and TV

$\displaystyle \sf x + 12x = 13000$

$\displaystyle \sf{ \implies }13x = 13000$

$\displaystyle \sf{ \implies }x = \frac{13000}{13}$

$\displaystyle \sf{ \implies }x = 1000$

Cost of a fan = Rs. x = Rs. 1000

Cost of a TV

= Rs. 12x

= Rs. (12 × 1000)

= Rs. 12000

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