5/8 x 23/5 ÷ 4/9 = ?

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5/8 x 2³/₅ ÷ 4/9 = ?

1. 9/4
2. 8/4
3. 4/9
4. 6/15

Correct Option: A

Simplify 2³ to 8
= 5/8 x 8/5÷4/9
By using simple algebraic rule: a ÷ b/c = a x c/b
= 5/8 x 8/5 x 9/4
= (5×8×9)/(?8×5×4)
= (5×9)/(?5×4)
= (9)/(?4)
= 9/4