If you are going from a larger unit to a smaller unit, you multiply. If you are going from a smaller unit, you divide
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:
8a + 24
Step-by-step explanation:
Use Distributive property: a(b +c) = a*b + a*c
Here a = 8 ; b= a & c = 3
8(a + 3) = 8*a + 8*3
= 8a + 24
Answer:
The answer is "1.30".
Step-by-step explanation:
Proportion of population
Ratio sample
Statistics of the test:


Answer:
The answer is 6 pounds.
Step-by-step explanation:
I figured it out by getting it wrong