Question

Increase ₹270 in the ratio 5:7

Answer 1

Answer:

Let us consider we are given RS 250 and 7:5

In which we are consider a variable ‘X’ so here, X:250 = 7:5

Now we are dividing = X / 250 = 7 / 5

So here we want to find the unknown variables X, X= 7/ 5 *250

Thus X= 50*7

We got it X= 350

So right answer is 350:250=7:5

Answer 2

Answer:

I think answer is 378 Rs

Step-by-step explanation:

1)Ration: 5:7

therefore

Let the new qauntity be x

therefore x=20=5:7

x÷270=5÷7

=270* 7÷5

x= 378 rs.

if you have doubt that this solution is wrong check this link for formula

https://www.mathsteacher.com.au/year8/ch06_ratios/03_inc/dec.htm