Combined, there are 177 Asians, Africans, Europeans, and Americans in a village. The number of Asians exceeds the number of Africans and Europeans by 72. The difference between the number of Europeans and Americans is 13. If the number of Africans is doubled, their population exceeds the number of Europeans and Americans by 31. Determine the number of Asians, Africans, Europeans, and Americans in this village.
1. The nutritional content per ounce of three foods is presented in the table below. If a meal consisting of the three foods allows exactly 4000 calories, 160grams of protein, and 3000milligrams of vitamin C, how many ounces of each kind of food should be used?
foo
|
Calories
|
Protein
(in grams)
|
Vitamin C
(in milligrams)
|
|
|
Food A
|
100
|
8
|
150
|
|
Food B
|
200
|
10
|
350
|
|
Food C
|
500
|
14
|
100
|
Food A =
Food B =
Food C =
(2). Combined, there are 177 Asians, Africans, Europeans, and Americans in a village. The number of Asians exceeds the number of Africans and Europeans by 72. The difference between the number of Europeans and Americans is
13. If the number of Africans is doubled, their population exceeds the number of Europeans and Americans by
31. Determine the number of Asians, Africans, Europeans, and Americans in this village.
Part 1
There are
-----
Asians,
------
Africans,
-------
Europeans, and
-------
Americans in the village.
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 4 images
