Question

In a jar , the total number of star is 72 . If the ratio of the Blue Stars to the Yellow Stars is 4 : 5 . Find the number of Blue Stars and the Yellow Stars.​

Answer 1

let it be x

yellow stars = 4x

blue stars = 5x

according to the question

4x + 5x = 72

9x = 72

x =72/9

x = 8

then, yellow stars = 4 × 8 =32

blue stars = 5 × 8 = 40

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