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Brandon is traveling in France. He weighs himself at a health club because he is concerned that he has eaten too many croissants. The last time he stepped on a scale, he weighed 183 th. The scale at the health club reads 85.0 kg. Has he gained weighe? Chera ton Activity Workbook
b) The recipe calls for 125 g of diced onions. How many 4 oz onions should he dice?

Respuesta :

Answer:

For a: Yes, he has gained weight.

For b: The number of onions required is 1.

Explanation:

  • For a:

We are given:

Weight of Brandon checked earlier = 183 lb

Converting this into kilograms, we use the conversion factor:

1 kg = 2.205 lb

So, [tex]183lb\times \frac{1kg}{2.205lb}=83kg[/tex]

And, weight of Brandon measured at the health club = 85.0 kg

As, the weight at the health club is more than the previous measured weight. So, Brandon has gained weight.

  • For b:

We are given:

Amount of diced onions a recipe calls = 125 g

Mass of 1 onion = 4 oz

Converting the mass of 1 onion to ounces, we use the conversion factor:

1 oz = 28.35 g

So, [tex]4oz\times \frac{28.35g}{1oz}=113.4g[/tex]

To calculate the number of onions, we use the equation:

[tex]\text{Number of onions}=\frac{\text{Mass of onion a recipe calls}}{\text{Mass of 1 onion}}[/tex]

[tex]\text{Number of onions}=\frac{125g}{113.4g}=1.1\approx 1[/tex]

Hence, the number of onions required is 1.

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