In a certain card game, for every 4 blue cards, there are 3 yellow cards. there are a total of 84 blue and yellow cards in the game. how many blue cards are in the game?

Kate is arranging new furniture in her rectangular sitting room. she has mapped the arrangement on a coordinate pane. a,b and c represent the sofas, v1 and v2 are decorative vases and aq the aquarium. find the distance between v1 and the aquarium. any body you