SOLUTION: I a on a diet and need some converting help. I used to know a way to do this algebraically. If four ounces has 13 grams of protein, how much protein does one ounce have? Can y

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Question 698482: I a on a diet and need some converting help. I used to know a way to do this algebraically.
If four ounces has 13 grams of protein, how much protein does one ounce have?
Can you tell me a way to set up the problem and what to do....I will need to do this with a lot of things. Thank you so much.
Shelley
Found 2 solutions by MathLover1, MathTherapy:
Answer by MathLover1(20855) About Me  (Show Source):
You can put this solution on YOUR website!

If four+ounces has 13+grams of protein,
than one ounce will have four times less +grams of protein;
divide 13+grams by 4
13%2F4=3.25 +grams of protein

Answer by MathTherapy(10858) About Me  (Show Source):
You can put this solution on YOUR website!

I a on a diet and need some converting help. I used to know a way to do this algebraically.
If four ounces has 13 grams of protein, how much protein does one ounce have?
Can you tell me a way to set up the problem and what to do....I will need to do this with a lot of things. Thank you so much.
Shelley

The easiest way is to set up these types of problems as PROPORTIONS

This can be set up as: ounces%2Fprotein+=+ounces%2Fprotein, or ounces%2Founces+=+protein%2Fprotein

This will give you: 4%2F13+=+1%2FP, or 4%2F1+=+13%2FP, with G being the amount of grams of protein

You then cross-multiply to get: 4P = 13

P+=+13%2F4, or highlight_green%283.25%29 grams of protein

You can do the check!!

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