Find the volume of the cube
1 answer:
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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.
1 and 4 will be the expression that makes the equatio. true for all values of x to prove i have done it in the picture attached in this message
