Answer:
can we have the worksheet?
No I am not a robot what u mean
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: 2.37
Step-by-step explanation:
Multiply each side by x to get rid of the denominator on the left side.
You get:
2.37 = 1x
1x = x
Therefore, 2.37 = x.
Also, any number divided by itself must be 1.
Answer:
12.4 gallons
Step-by-step explanation:
65 mph x 4 hours means the car went 260 miles. Divide by 21 to get the number of gallons. 12.4 gallons.