Brent counted 10 red cards, 10 black cards, and 20 blue cards in a deck of cards. what is the ratio of red cards to other cards?

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.

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers