Concept explainers
a. By rewriting the division problem
as a multiplication problem with an unknown factor, explain why it is valid to divide the fractions as follows:
b. Give an example of a numerical fraction division problem that can be made easy to solve by using the method of dividing the numerators and dividing the denominators that is demonstrated in part (a).
Want to see the full answer?
Check out a sample textbook solutionChapter 6 Solutions
MATHEMATICS F/ELEM.TEACH...-W/MYMATHLAB
Additional Math Textbook Solutions
Discrete Mathematics and Its Applications ( 8th International Edition ) ISBN:9781260091991
Probability and Statistics for Engineers and Scientists
Mathematical Ideas (13th Edition) - Standalone book
Thinking Mathematically (6th Edition)
Mathematics All Around (6th Edition)
Finite Mathematics for Business, Economics, Life Sciences and Social Sciences
- Solve the following problem using "long divisions" and show the "checking". 1.) 283.5÷100 2.) 150÷0.8arrow_forwardIf the ratio of boys to girls in a class is 2 to 7, will the ratio of boys to girls stay the same, become greater, or become smaller if 3 boys and 3 girls are added to the class?arrow_forward(6) Write equations that correspond to a mental method for calculating the difference below. State specificallywhich properties of addition were used (if any), and where.684 −295 (7) Write equations that correspond to a mental method for calculating the sum below. State specificallywhich properties of addition were used (if any), and where.427 + 28 (8) Write equations that correspond to a mental method for calculating the difference below. State specificallywhich properties of addition were used (if any), and where.237 −40arrow_forward
- Consider the following long division problem: (6x3 + 7x2 + 12x - 5) ÷ (3x-1)We begin the division process by dividing _______ by _______ We obtain ______ We write this result above __________ in the dividend.arrow_forward24/0.96 its dividing by two digits but idk how to do itarrow_forwardIf “a” to the power of 2/3 equals 6, then “a” to the power of 4/3 equals what?arrow_forward
- If the ratio of men to women in a movie theatre, written as a decimal, is 1.00, what must be true? A. The ratio of women to men in the theatre is 0.50. B. The ratio of women to men in the theatre is 2.00. C. The ratio of women to total people in the theatre is 0.50. D. The ratio of women to total people in the theatre is 2.00.arrow_forwardHow do I know which numbers to multiply to get the LCM of 3 numbers? ex: 45, 15, 18 45 = 5x3x3 15 = 5x3 18=2x3x3 Now, HOW do I know which of these numbers to multiply to get the LCM?arrow_forwardLong division problem 5 divided 2516arrow_forward
- A person needed a new rain spout, but instead of buying one, she decided to make her own by bending up an equal amount on both sides of a piece of sheet metal. If the sheet metal was 27 inches long, how much would she have to bend up on both sides so that the area would be 39 square inches? If you have two answers, type in the larger of your answers.-----------?arrow_forwardCan you explain step by step how they got the answer to part Barrow_forward1. Find the answer to the following subtraction problem by using the Oldtimer's Method. Do the work on paper then upload a picture. Make sure your drawing is clear. 332− 177 2. Find the answer to the following subtraction problem by using the Oldtimer's Method. Do the work on paper then upload a picture. Make sure your drawing is clear. 543− 258arrow_forward
- Discrete Mathematics and Its Applications ( 8th I...MathISBN:9781259676512Author:Kenneth H RosenPublisher:McGraw-Hill EducationMathematics for Elementary Teachers with Activiti...MathISBN:9780134392790Author:Beckmann, SybillaPublisher:PEARSON
- Thinking Mathematically (7th Edition)MathISBN:9780134683713Author:Robert F. BlitzerPublisher:PEARSONDiscrete Mathematics With ApplicationsMathISBN:9781337694193Author:EPP, Susanna S.Publisher:Cengage Learning,Pathways To Math Literacy (looseleaf)MathISBN:9781259985607Author:David Sobecki Professor, Brian A. MercerPublisher:McGraw-Hill Education