MartinaDaBest MartinaDaBest

27-01-2015
Mathematics

Answered

the ratio of the gallons of paint needed to the area covered in square feet is 3 to 1275. Use a proportion to predict how much area can be covered with 7 gallons of paint

Answer :

28-01-2015

[tex]\frac{3gallons}{1275ft^2}=\frac{7gallon}{xft^2}\\\\ cross\ multiplication:\\ 3x=1275*7\\ 3x=8925 \ \ | divide\ by\ 3\\ x=2975\\\\ 2975ft^2\ can\ be\ covered\ using \ 7\ gallons\ of\ paint.[/tex]

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