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SAT Math 2.1 Statistics and Probability 343 Views
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Description:
SAT Math 2.1 Statistics and Probability. Which two items have the highest protein to fat ratio?
Transcript
- 00:02
Here’s your shmoop du jour, brought to you by Starbucks.
- 00:05
But don’t worry about being awake all night —this problem is totally decaffeinated.
- 00:10
This is the nutritional information for four different bakery items at Starbucks.
- 00:15
Which two items have the highest protein to fat ratio?
- 00:20
And here are the potential answers…
Full Transcript
- 00:24
So we are trying to find the ratios between protein and fat, and choose the two items have the highest value.
- 00:34
Remember that ratio is just another way of saying proportion…or division.
- 00:39
The protein to fat ratio is just the amount of protein divided by fat.
- 00:44
We can easily find this for all of the food items.
- 00:47
The blueberry scone has 7 grams of protein and 22 grams of fat…
- 00:51
so 7 over 22 is our protein to fat ratio for those awesome blueberry scones.
- 00:56
The croissant is 5 over 18... chocolate chunk is 4 over 17...
- 01:01
and chocolate croissant is 5 over 17.
- 01:05
We probably can’t tell just by looking at these fractions which two of the four have the greatest ratios…
- 01:10
…but we can convert them into decimals so it’s easier to tell.
- 01:14
So and we're converting...converting...
- 01:17
Ah, there we go. Clearly, the blueberry scone and chocolate croissant have the greatest
- 01:20
protein to fat ratio, with .318 and .294 respectively.
- 01:25
Our answer's (D).
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