AnswersVT-PSAT MathSolving Mixture Problems

Solving Mixture Problems Answers

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A 4% peroxide solution is mixed with a 10% peroxide solution, resulting in 100 L of an 8% solution. The table shows the amount of each solution used in the mixture.

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A
6
B
7
C
8
D
9
2
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A snack cart sells lemonade for $2 and hot dogs for $5. The vendor sold 86 items today for a total of $330.

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A
(86 – h)(h) = 86
B
(86 – h) + h = 86
C
(86 – h) + h = 2 + 5
D
[2(86 – h)](5h) = 330
3

The hardcover version of a book weighs 7 ounces while its paperback version weighs 5 ounces. Forty-five copies of the book weigh a total of 249 ounces.Which value could replace x in the table?

Question illustration
A
40 – h
B
50 – h
C
5(45) – h
D
5(45 – h)
4

Milk and cream are mixed together for a recipe. The total volume of the mixture is 1 cup. If the milk contains 2% fat, the cream contains 18% fat, and the mixture contains 6% fat, how much cream is in the mixture?

A
cup
Option A
B
cup
Option B
C
cup
Option C
D
cup
Option D

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