Concept explainers
a. Snail A moved 6 feet in 7 hours. Snail B moved 7 feet in 8 hours. Both snails moved at constant speeds. Which snail went faster? Solve this problem in two different ways, explaining in detail why you can solve the problem the way you do. In particular, if you use fractions in your explanation, be sure to explain how the fractions are relevant.
b. A student might say that snail B moved faster than snail A because the numbers for snail B are greater (in other words,
Want to see the full answer?
Check out a sample textbook solutionChapter 7 Solutions
Mathematics for Elementary Teachers with Activities (5th Edition)
Additional Math Textbook Solutions
Pathways To Math Literacy (looseleaf)
Finite Mathematics for Business, Economics, Life Sciences and Social Sciences
Elementary Statistics: Picturing the World (7th Edition)
Elementary & Intermediate Algebra
Elementary Statistics: A Step By Step Approach
APPLIED STAT.IN BUS.+ECONOMICS
- Give an example from your life experience (outside of school) where it was important to understand fractions.arrow_forwardThe width of a rectangular sheet of metal shown is equal to the area of the sheet divided by its length. Compute the area of a sheet that is 314 feet wide and 512 feet long.arrow_forwardIn a physicians practice the ratio of patients on Medicare insurance to patients insured by other means is 5 to 8. If there is a total of 3120 patients in the physicians practice, find the number of patients on Medicare insurance.arrow_forward
- An alloy of stainless steel contains 73.6% iron, 18% chromium, 8% nickel, 0.1% carbon, and sulfur. How many pounds of sulfur are required to make 5800 pounds of stainless steel? Round the answer to the nearest whole pound.arrow_forwardWrite as the ratio of two integers: (a) 24 (b) 3.57.arrow_forwardExpress the common fractions as decimal fractions. Express the answer to 4 decimal places. 20. 34arrow_forward
- If a=7.5 and b=9.45 , what is the value of a+4bb2a ? If necessary, round the answer to 2 decimal places.arrow_forwardExpress the fractions in Exercises 9 and 10 as thirty-seconds. 9. a. 14 b. 34 c. 118 d. 716arrow_forwardA machinist's gross income is $875 a week. If the cost of living goes up 3.4%, how much must the gross income increase in order for the machinist to keep even?arrow_forward
- At a carnival, $2,914.25 in receipts were taken at the end of the day. The cost of a child's ticket was $20.50, an adult ticket was $29.75, and a senior citizen ticket was $15.25. There were twice as many senior citizens as adults in attendance, and 20 more children than senior citizens. How many children, adult, and senior citizen tickets were sold?arrow_forwardThe Catalina Express takes 112 hours to travel from Long Beach to Catalina Island, a distance of 22 miles. To the nearest tenth, what is the speed of the boat?arrow_forwardExpress these ratios in lowest fractional form. 8.16to 23arrow_forward
- Algebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal LittellHolt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
- Mathematics For Machine TechnologyAdvanced MathISBN:9781337798310Author:Peterson, John.Publisher:Cengage Learning,Intermediate AlgebraAlgebraISBN:9781285195728Author:Jerome E. Kaufmann, Karen L. SchwittersPublisher:Cengage Learning