Que fraccion de 9/8 es los 3/4 del quintuple de 48/25?

To solve this problem you must apply the proccedure shown below:

 1. You have that the quintuple of 48/25 is:

 =(48/25)5
 =48x5/25

 2- When you simplify, you obtain:

 =48/5

 3. Then, 3/4 of the quintuple of 48/25 is:

 =(48/5)(3/4)
 =48x3/5x4
 =144/20
 =36/5

 4. Now, you have:

 (9/8)x=36/5

 x: the fraction asked

 5. When you clear "x", you have:

 x=36x8/5x9
 x=288/45
 x=32/5

 The answer is: 32/5

I'd say d, none of the others make sense.

The answer is 109 times per second