- Un patio de forme carrée est constitué de 400 dalles carrées mesurant chacune 30 cm de core On désire remplacer ces dalles par des dalles rectangulaires dont les dimensions sont de 10 cm
sur 20 cm. Combien de dalles rectangulaires faudra-t-il pour remplacer toutes les dalles carrées?

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)