Question

Hannah practices her guitar for 40 minutes on Monday. On Tuesday she practices for 5/8 of the time she practiced on Monday. On Wednesday she practices for 4/5 of the time she practiced on Tuesday. How many minutes did Hannah practice on Wednesday.

A 20 minutes. B 25 minutes
C 30 minutes. D 40 minutes
Please show me how you get the answer

Answer 1

She practices for 40 minutes on Monday.

On Tuesday she practices for 5/8 of 40 minutes.

`(5)/(8) \ of \ 40=(5)/(8) * 40=5 * (40)/(8)=5 * 5=25`
On Tuesday she practices for 25 minutes.

On Wednesday she practices for 4/5 of 25 minutes.

`(4)/(5) \ of \ 25=(4)/(5) * 25=4 * (25)/(5)=4 * 5=20`

Hannah practices for A. 20 minutes on Wednesday.