Mathematics, 12.10.2019 15:20 taleiayarbough4544

Adam is going to cook a turkey for 14 people and wants to allow ¾ lb of turkey for each person.

1lb = 450 g

how much would a turkey cost for 14 people?

turkey sizes -
small: 2kg - 3.9kg
medium: 4kg - 5.4kg
large: 5.5kg - 7.2kg
extra large: 7.3kg - 9.2kg

turkey prices -
small/medium: £5.99 per kg
large/extra large: £4.99 per kg

Answers: 3

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I did (450*3/4=337.5) to get how much each person would eat, then I did (337.5*14=4725g) to see how big the turkey should be. I then converted grams to kilos (4725*0.001=4.725 kg), and I got how big the turkey would be. It turns out the appropriate size of the turkey would be medium, so then what I did was that I looked for the medium price of the turkey per kg, and found that it was £5.99 per kg. I did (4.725*5.99) and I got about £28.30. It would cost £28.30 for 14 people.

Answer from: abrito1559

These problem can be solved using conversion fractions. A conversion fraction is a unitary fraction that we use to convert units; the idea is multiply the unit we want to convert by a fraction with the same unit as denominator and the target unit as numerator.

First, we are going to find how many grams are $\frac{3}{4}$ lb. Since we know that 1lb = 450g , we just need to multiply $\frac{3}{4}lb$ by the conversion fraction $\frac{450g}{1lb}$ :

Grams per person = $(\frac{3}{4}lb)(\frac{450g}{1lb} )=(0.75lb)(\frac{450g}{1lb} )=337.5g$

Next, we are going to find the total amount of grams Adam will need. Since there are 14 persons, we just need to multiply the grams per person by 14:

Total grams = 14(337.5g)=4725g

Since the cost of the turkey is expressed in kilograms, we need to convert the total grams to kilograms. We know that 1 kg = 1000 g, so we need to multiply the total grams by the conversion factor $\frac{1kg}{1000g}$ :

Total kg = $(4725g)(\frac{1kg}{1000g} )=4.725kg$

Now we know know that Adam will need to buy 4.725 kg of medium size turkey, so the only thing left is multiply the price of the medium size turkey by the total kg:

Total cost = $(4.725kg)(\frac{5.99}{kg} )=28.30$

We can conclude that a turkey for 14 people will cost £28.30.

Answer from: Quest

the median here is 25. your lowest value is 14 and highest value is 48. to find the third quartile, find the medium number in between 25 and 48 which would be 42 i believe.

Answer from: Quest

Whose mistake? can you give more details to what the question is asking?

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Adam is going to cook a turkey for 14 people and wants to allow ¾ lb of turkey for each person.

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