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Blizzard [7]
3 years ago
15

Calculate the protein intake of Miss Exercise who weighs 112 lb. Remember: (0.45)(w-lb) = (w-kg) and the recommended protein in

grams is numerically equal to the person's weight in kilograms. How much protein in grams should she consume? 50.4 111.55 112.45 248.89
Mathematics
2 answers:
zaharov [31]3 years ago
7 0

"Recommended protein in grams is numerically equal to the person's weight in kilograms."

We need to find the person's weight in Kilograms.

It is given that her weight is 112 pounds.

<em><u>The equation relating pounds and kilograms is:</u></em>

(0.45)(Pounds)=Kilograms

So, (0.45)(112)=50.4 kilograms

Hence, she can consume 50.4 grams of protein. First answer choice is right.


ANSWER: 50.4

gogolik [260]3 years ago
5 0
50.4 is your answer there for it would be 50.4
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Ratio Question;
SashulF [63]

*Given

Money of Phoebe            - 3 times as much as Andy

Money of Andy                - 2 times as much as Polly

Total money of Phoebe,  - £270

   Andy and Polly

*Solution

Let

B - Phoebe's money

A - Andy's money

L - Polly's money

1. The money of the Phoebe, Andy, and Polly, when added together would total £270. Thus,

                 B + A + L  = £270                     (EQUATION 1)

2. Phoebe has three times as much money as Andy and this is expressed as

 

                 B = 3A

3. Andy has twice as much money as Polly and this is expressed as

                 A = 2L                           (EQUATION 2)

4. This means that Phoebe has ____ as much money as Polly,

                B = 3A

                B = 3 x (2L)

                B = 6L                            (EQUATION 3)

This step allows us to eliminate the variables B and A in EQUATION 1 by expressing the equation in terms of Polly's money only.

5. Substituting B with 6L, and A with 2L, EQUATION 1 becomes,

                 6L + 2L + L = £270

                               9L = £270

                                 L = £30

So, Polly has £30.

6. Substituting L into EQUATIONS 2 and 3 would give us the values for Andy's money and Phoebe's money, respectively.

                 A = 2L                          

                 A = 2(£30)

                 A = £60

Andy has £60

                 B = 6L                        

                 B = 6(£30)

                 B = £180

Phoebe has £180

Therefore, Polly's money is £30, Andy's is £60, and Phoebe's is £180.

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