Math Problem Statement
The image contains a weekly math review with various math problems, such as finding quotients, writing algebraic expressions, solving word problems, and evaluating expressions. The questions include: 1. Find the quotient: 7/12 ÷ 2/5, 2. Word problem about Kerion's beaded necklace business, 3. Algebraic expression for 'The product of 7 and C minus 13', 4. Word problem involving the percentage of students wearing orange in a soccer tournament, 5. Evaluating expressions like 3x² + 5x + 25 when x = 3.
Solution
The image contains multiple math problems. Here are some of the key questions and steps:
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Find the quotient:
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Word problem:
- Kerion has a beaded necklace business. If she can make 12 necklaces in 2 hours, how long will it take her to make 9 necklaces?
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Expression problem:
- Write an algebraic expression for "The product of 7 and minus 13."
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Word problem:
- There are 160 boys and girls in a soccer tournament. 32 of the students are wearing orange. What percent of the players are wearing orange?
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Evaluate an expression:
- What is the value of when ?
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Math Problem Analysis
Mathematical Concepts
Division of Fractions
Algebraic Expressions
Percentages
Word Problems
Evaluation of Expressions
Formulas
Division of Fractions: a/b ÷ c/d = (a/b) * (d/c)
General form of an algebraic expression
Percentage: (part/whole) * 100
Theorems
Algebraic manipulation
Substitution in algebraic expressions
Suitable Grade Level
Grades 6-8