If you would like to know how many hours did Eric practice the piano this week, you can calculate this using the following steps:
the piano: 3/4 of 8 hours = 3/4 * 8 hours = 6 hours
The correct result would be 6 hours.
Answer:

Step-by-step explanation:




hope this helps
Answer:
1) 1/10
2) 1/2
3) 1/5
Step-by-step explanation:
1)
1 favorable outcome and 10 total outcomes.

2)
5 favorable outcomes and 10 total outcomes

3)
2 favorable outcomes and 10 total outcomes

410 - x/7 +70 = 120
410+70-120=x/7
360=x/7
X =2520