Answer:
4
Step-by-step explanation:
Answer:
30.5 hours
Step-by-step explanation:
If he were to average 8 hours PER week for 4 weeks, his total sum would have been:
8 * 4 = 32 hours
But he fell short of it. By how much?
By
hours!
So, he practiced 1 1/2 hours LESS THAN 32 hours, so his practice time is:

So, <u>he practiced 30.5 hours in the 4 weeks</u>
The correct answer is 4x10 to the 4th power
Answer:
X=7, Y=5
Step-by-step explanation:
In the attached file
You need two equations to solve a two-variable equation.