Watermelon A is 2 kg lighter than watermelon B and 5 times lighter than watermelon C. Watermelons A and C together are 3 times heavier than watermelon B. Find the weight of each watermelon. Kate used 555 grams of wool to knit a sweater, a hat and a scarf. She used 5 times less grams for the hat than for the sweater. She used 5 grams more for the hat than for the scarf. How many grams of wool did she use to knit each item

Please help with both