the ages of Rahul and Lakshmi are in the ratio 5 is to 7 4 years later the sum of their ages will be 56 years what are their present ages

the ages of Rahul and Lakshmi are in the ratio 5 is to 7 4 years later

1.	the ages of Rahul and Lakshmi are in the ratio 5 is to 7 4 years later the sum of their ages will be 56 years what are their present ages
Answer» Rahul be x Laxmi be y $\frac{x}{y} = \frac{5}{7} \\ 7x - 5y = 0.....<klux>1</klux> \\ (x + 4) + (y + 4) = 56 \\ x + y = 48.....2 \\$ multiply 2 with 5 5x+5y=240.....3 adding 1 and 2 $7x - 5y =0 \\ 5x + 5y = 240 \\ 12x = 240 \\ x = 20 \\$ put x=20 in 2 $20 + y = 48 \\ y = 28$ the present ages of Rahul and Laxmi is 20 and 28. hope this HELPS you don't FORGET to do it brainleist.

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the ages of Rahul and Lakshmi are in the ratio 5 is to 7 4 years later the sum of their ages will be 56 years what are their present ages

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