Question

The cost of 18 trousers and 15 shirts is 19050 .what is the cost of 30 trousers and 25 shirts

Answer 1

let cost of trouser be t and shirt be y then
18x+15y=19050 or
6x+5y=6350.....
now multiply equation by 5 we get
30x+25y=31750

Answer 2

Answer:

The cost of 30 trousers and 25 shirts which is 31750

Step-by-step explanation:

Given the cost of 18 trousers and 15 shirts is 19050.

Let cost of trouser be x and shirt be y then

18x+15y=19050 or

3(6x+5y)=19050

6x+5y=6350

Now multiply complete equation by 5 we get

30x+25y=31750

RHS gives the cost of 30 trousers and 25 shirts which is 31750