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Pourcentages
Mathématiques
Middle School Math
Pourcentages

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Pourcentages
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 1 * Cette fiche est prête à l'emploi.Utilisez le lien en haut de la page pour une une page imprimable.
 2 Let's say you have a molecule that is made entirely out of four different kinds of subunits called As, Ts, Cs, and Gs. In this molecule, the number of Cs equals the number of Gs and the number of Ts equals the number of As. If one of these molecules is analyzed and found to consist of32% As, then what percent of the molecule is made up of Gs?
 3 The local store is having a sale. All floopers are69% off. If a flooper normally costs\$12.58plus8% sales tax, how much will it cost to buy a glooper during the sale?
 4 Iftwenty and nine hundredthspercent of the volume of gas in a storage tank is oxygen, then all the other gases in the tank make up what percent of the volume of the gases in the tank?
 5 Iftwenty-one and two tenthspercent of the volume of gas in a storage tank is oxygen, then all the other gases in the tank make up what percent of the volume of the gases in the tank?
 6 Nineteen percent of the plants in the park are broad-leafed plants and the rest are grasses. What percent of the plants are grasses?

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