SOLUTION: One unit of whole wheat flour has 13.6 grams of protein and 2.5 grams of fat. One unit of whole milk has 3.4 grams of protein and 3.7 grams of fat. To the nearest tenth fin dthe nu

Question 609323: One unit of whole wheat flour has 13.6 grams of protein and 2.5 grams of fat. One unit of whole milk has 3.4 grams of protein and 3.7 grams of fat. To the nearest tenth fin dthe number of units of whole wheat flour and whole milk that must be mixed to make dough that has 75 grams of protein and 15 grams of fat.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = units of whole wheat flour needed
Let = units of whole milk needed
given:
units of whole wheat flour has grams protein
units of whole wheat flour has grams fat
units of whole milk has grams protein
units of whole milk has grams fat
-----------------
(1)
(2)
---------------------
(1)
(2)
----------------------
Multiply both sides of (2) by
(2)
(2)
Subtract (2) from (1)
(1)
(2)

units
and, since
(2)
(2)
(2)
(2)
(2)
(2)
5.4 units of whole wheat flour is needed
.4 units of whole milk are needed
check:
(1)
(1)
(1) ( close )
(2)
(2)
(2)
OK

RELATED QUESTIONS
I don't know what the system of equations would be for this problem? One unit of whole... (answered by scott8148)

Rabbits in a lab are to be kept on a strict daily diet that includes 30 grams of protein, (answered by jim_thompson5910)

A certain diet consists of dishes A, B and C. Each serving of A has 1 gram of fat, 2... (answered by josmiceli)

A half cup of milk has 4 grams of protein. Using a proportion, find the number of grams... (answered by josgarithmetic)

One gram of fat contains 9 calories, and one gram of protein contains 4 calories. If... (answered by josgarithmetic)

i have 2 questions I have been confused on 1) A pharmacist needs 500 milliliters of... (answered by stanbon)

A 2 3/4-ounce chocolate candy bar contains 8 grams of fat per ounce. ABOUT how many grams (answered by josgarithmetic)

Find how many units of each mix are needed to meet daily requirement. Daily req.... (answered by chessace)

Each unit of grain A contains 2 grams of fat and 80 calories, and unit B has 3 grams of... (answered by mananth)