Answer:
1 pint(of blood) for every 14 lbs of weight
Step-by-step explanation:
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Answer:
Yes, the cost 
in dollars and the amount of yogurt 
are proportional.
The equation is: 
Step-by-step explanation:
1. If varies directly as , you can write it as following:
Where 
is the constant of proportionality.
2. Let's calculate the value of the constant of proportionality. If 
and 
, you have:
3. Then, the equation is:
4. Let's verify if they are directly proportional. Substitute 
which is the amount of yogurt bought by Jonah. The result must be $0,48:
5. They are directly proportional.
