Cathy practices the piano for a total of 6 hours each week. If she practices fot 3/4 hour each time, how many times each week does she have to practice?​

8 times

Step-by-step explanation:

Find how many times she has to practice by dividing 6 by 3/4:

6 / (3/4)

= 8

So, Cathy will have to practice 8 times.

8

Step-by-step explanation:

1. 3/4 of an hour is 45 mins

2. 6 hours = 360 mins

3. 360 divided by 45 = 8

sooo 8.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: