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Ratios, Percentages, and Proportions Videos 55 videos
SAT Math 10.3 Geometry and Measurement. What is the ratio of birds to dogs?
SAT Math 2.1 Statistics and Probability. Which two items have the highest protein to fat ratio?
SAT Math 2.2 Statistics and Probability. What percent of her recommended daily intake of 2000 calories did she consume?
SAT Math 2.1 Statistics and Probability 343 Views
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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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