Purchase Solution

Ratio and Proportion : Problems and Real-Life Applications

Not what you're looking for?

Ask Custom Question

Please see the attached file for the fully formatted problems.

20. A Boeing 747 jet is approximately 230 ft long and has a wingspan of 195 ft. If a scale model of the plane is about
40 cm long, what is the model's wingspan?

28. The amount of gold jewelry and other products is measured in karats (K), where 24K represents pure gold. The mark 14K
on a chain indicates that the ratio between the mass of the gold in the chain and the mass of the chain is 14:24 . If a gold ring is marked 18K and it weighs 0.4 oz, what is the value of the gold in the ring if pure gold is valued at $300 per oz?

37. Write a paragraph in which you use the terms ratio and proportion correctly.

38. List three real-world situations that involve ratio and proportion.

6-6
28. The effect of depreciation can be computed using a formula similar to the formula for compound interest.
a. Assume depreciation is the same each month. Write a problem involving depreciation and solve it.
b. Develop a general formula for depreciation defining what each variable in the formula stands for.

29. Find four large cities around the world and an approximate percentage rate of population growth for the countries in
which the cities are located. Estimate the population in each of the four cities in 25 yr.

Attachments
Purchase this Solution
Solution Summary

A step by step solution is provided to all the problems.

Solution provided by:
Sandhya Sharma, MSc
Education
  • BSc, Meerut University
  • MSc, Meerut University
  • MPhil, Institute of Advanced Studies
  • MSc, AIT
Recent Feedback
  • "Perfect, thank you so much!!! I will definitely request you in the future! You are amazing!"
  • "Thank you. "
  • "Thank you so much I have two more that I need your help with if your available."
  • "Thank you, I was wondering why you rejected me the first time."
  • "Thanks again."
Purchase this Solution
Free BrainMass Quizzes
Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

View More Free Quizzes
Related BrainMass Solutions

  • measurement connected to ratio and proportion in real life

    310219 How is measurement connected to ratio and proportion in real life? How is measurement connected to ratio and proportion in real life? Discuss. A perfect illustration of measurement, ratio and proportion in real life is kisses.

  • Defining Proportion, Percentage, and Ratio

    245260 Defining Proportion, Percentage, and Ratio What are the differences among a proportion, a percentage, and a ratio? When would a researcher use a hypothesis test for the difference in two population proportions? Explain.

  • Real-Life Applications of Ratios and Proportions

    So I should spend I spend 2*1 = 2 hours watching TV, and 3*1 = 3 hours studying. This is a simple example of ratio and proportions in daily lives. Real life applications of ratios and proportions are discussed.

  • ratios and proportions

    Choose an example of a rational expression (uniform motion problem, work problems, purchasing problems or formulas) from the textbook or real life and present a step-by-step solution.

  • Conceptualizing a Business

    The applications currently being developed are utility applications which are designed to help the average person deal with difficult issues and problems which arise in life.

  • M&A, CAPM, and valuation

    What is the relationship between PE ratio and the growth rate, cost of capital, risk and the valuation of a Corporation? 5. Please discuss CAPM and WACC, including their assumptions, calculation methods and areas of applications.

  • Exponential and Logarithmic Functions: Real-Life Applications

    30218 Exponential and Logarithmic Functions: Real-Life Applications 1. Explain the relevance and application of exponential functions in real-life situations. 2.

  • Systems of Equations + Real Life Application

    152777 Systems of Equations with Three Variables and Real-Life Applications Hello again ! trying to solve for x and Y in the following problems. please explain 1. a.

  • The value of critical thinking to your personal and professional development

    There was a great deal of critical thinking and problem solving presented this term involving working Algebra problems and their applications to everyday life.

View More Related Solutions