URGENTLY ANSWER RATIO MATHS !!!

Please EXPLAIN the steps fully CLEARLY, I have AlREADY GOT ANSWER so no need to worry. This is for GCSE just so you know.

I want explanation for both problems.

Ratio Problem 1- Chantel makes muesli using wheat flakes and dried fruit in ratio 8:5. She has a 200g of wheat flakes and 100g of dried fruit. How much muesli can she make?

ANSWER:260 grams

Ratio Problem 2- Kylie makes trail mix by mixing nuts and raisins in the ratio 7:3. She has 84g of nuts and 60g of raisins. How much trail mix can she make?

ANSWER: 120 grams

3 answers

Can someone help please??
if 100g = 5x, x=20, meaning she uses 160g of flakes.

Any more than that, and she'd need more than 100g of fruit.

84g = 7x; x=12
so, she needs 12*3=36g of raisins.
Using any more than 36g means x>12, and she'd need more than 84g of nuts.
Any video links you know of about this? Please post the links. What does post.cgi mean by the way?