Jim and Krutika win some money and share it in the ratio 7:1. Jim gets £66 more than Krutika. How much did Krutika get?

In a ratio of 7:1, Jim would have seven times more money than Krutika. We can write this as shown;
J=7k
We also know that Jim has 66 (sorry don’t have the pounds sign) more $ than Krutika. We can write this as shown.
J=k+66

If we set both of these true equations equal to each other, we get;

k+66=7k

We can subtract k from both sides;

k-k+66=7k-k
(Simplify)
66=6k
(Simplify again)
K=11(pounds)

You could also plug 11 in for k to find Jim’s money, but you don’t need to sooo.

Final Krutika has 11 pounds.

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