Answer to Question #3249 in Algebra for NIKITA CHOPRA
40/100 X = 0.4X like musik, 3/15X = 0.2X& like dance, 1/10X = 0.1X & like cricket, and X(1 - 0.4 - 0.2 - 0.1) = 40& like painting.
Let's simplify the lat expression:
X(1 - 0.4 - 0.2 - 0.1) = 40
0.3 X = 40
X = 40/0.3 = 133.33
May be there is some mistake in the conditions of the task because the number& of students should be the whole number. The number of students who like dance is 0.2X.
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Thank u so much...you have solved my problem ....