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Mathematics 7 Online
OpenStudy (anonymous):

plz help. Will give out medals.

OpenStudy (anonymous):

you again xD

OpenStudy (anonymous):

Which calculations could be used to solve this problem? Isabel's art class has 27 students. There are 2 times as many boys as girls in the class. How many boys are in the art class? Choose all answers that are correct. A. Add 27 + 2. Divide the sum by 2. B. Divide 27 ÷ 3. Multiply the quotient by 2. C. Multiply 27 × 3. Divide the product by 2. D. Divide 27 ÷ 3. Subtract the quotient from 27.

OpenStudy (anonymous):

let no of girls =x then no. of boys=2*x 2x+x=27 3x=27 x=9

OpenStudy (anonymous):

A,B,C or D

OpenStudy (anonymous):

boys= 2*x=9*2=18 or 27-9=18

OpenStudy (anonymous):

B D

OpenStudy (anonymous):

B why on a 2x+x= 27 x et le nombre des fille alors 3x=27 x=27/3 x=9 donc le nombre des fille et 9 implique que le nombre des garcon est 27-9 = 18 donc on a 18 gay ____pardon pour la longue francais____

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