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The ratio of boys to girls in class A is 3 to 4 . The ratio of boys to girls in class B is 4 to 5 . If the two classes were combined, the ratio of boys to girls in class B is two less than the number of girls in class A. How many girls are in class A?

Created: 2 years ago | Updated: 2 years ago

Updated: 2 years ago

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জাহাঙ্গীরনগর বিশ্ববিদ্যালয় G ইউনিট উচ্চতর গণিত সমতলে বস্তুকণার গতি (Motion of particles in a plane)

Des

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