Peggy had three times as many quarters as nickels. She had $1.60 in all. How many nickels and how many quarters did she have?
2 answers:
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The first thing we are going to do for this case is define variables.
We have then:
x: Amount of soybean meal
320 - x: quantity of cornmeal
We now write the equation that models the problem:
Rewriting we have:
From here, we clear x:
Then, the amount of Soybean meal is:
The amount of cornmeal is:
Answer:
cornmeal: 280 lb
Soybean: 40 lb.
We have then:
x: Amount of soybean meal
320 - x: quantity of cornmeal
We now write the equation that models the problem:
Rewriting we have:
From here, we clear x:
Then, the amount of Soybean meal is:
The amount of cornmeal is:
Answer:
cornmeal: 280 lb
Soybean: 40 lb.
Answer is in a photo. I couldn't attach it here, but I uploaded it to a file hosting. link below! Good Luck!
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To get the units needed, divide the given number of items needed shown in the above portion of table, with the package size given in the below portion. Then multiply with given prices. Round off the numbers to whole numbers.
Now, money needs to be spent in Quality Groceries-
=$ 168.40
Now, money needs to be spent in Fresh Market-
=$ 180.32
So, the answer is option B.