Answer:
Step-by-step explanation:
From the problem statement, we can create the following equation:

where
is the age of James,
is the age of Paul, and
is the age of Dan.
From the first part of the second sentence, we can set up the following equation:

From the last part of the second sentence, we can set up the following equation:

We can substitute the second equation into the last one to get the following:



We can then substitute the last two equations in the first to solve for
:



Plugging this into the other two equations will give us the remaining ages:






Answer:
The quantity of ground meat he use for hamburgers is 2
pounds
Step-by-step explanation:
Given as :
The total quantity of ground meat bought to make hamburgers = 2 
Or, The total quantity of ground meat bought to make hamburgers =
pound
The quantity of ground meat left after use =
pound
Now, let The quantity of ground meat used for hamburgers = x pound
So, x = The total quantity of ground meat bought - The quantity of ground meat left
Or, x =
pound -
pound
Or, x =
pound
I.e x =
∴ x = 2
pounds
Hence The quantity of ground meat he use for hamburgers is 2
pounds . Answer
Answer:
1:3
Step-by-step explanation:

Your answer just going to be 0.5x
7 because 3 is less than five