5/8 x 23/5 ÷ 4/9 =?

Q: 5/8 x 23/5 ÷ 4/9 =?

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

9/4
8/4
4/9
6/15

Correct Answer: 9/4

Explanation:

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

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