Answer: 
hours
Step-by-step explanation:
Let x be the time ( in hours ) you feel good and y be the time ( in hours ) that you get tired.
As per given , we have
x+y= 8
Since : 
So , we have
20x+12y=122
According to the given question , we have the following system of equations ,
Multiply 12 on both sides of equation (1) , we get
Eliminate equation (3) from (2) , we get
Hence, you felt hours good.
Answer:
Here you go
Step-by-step explanation:
BTW what is meant by point in the last blank?
Answer:
(10/100)*94.9 = 9.49
Step-by-step explanation:
Divide by 100 and multiply by 100-5.1 = 9.49
Answer:
640 Oz
Step-by-step explanation:
1 Lb = 16 Oz
40 Lb • 16 Oz = 640 Oz
hope this helps
Mark brainliest
Answer:
263
Step-by-step explanation:
take the start amount 315 and subtract 78 then add 26 which would amount to 263
