I'm not sure how to factor this

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers