dans un supermarché des promotions sont proposés sur les DVD il est écrit 2 DVD pour 19 € 5 DVD pour 38 € en te ramenant au prix d’un DVD nous cherchons à savoir si le prix sont proportionnels au nombre de DVD​

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

Betty correctly answers 30 questions on your math test there are 40 questions on the test what percent of the questions did she answered incorrectly

Sean is his dad build a tiled walkway in their backyard. the walkway will be 6060 feet long and 22 feet wide. the local hardware store sells tiles which are 22 by 22 feet and come in boxes of 66. how many boxes of tiles do they need?