* An aquarium contained an equal number of horseshoe crabs and sea stars. After 15 horseshoe crabs were removed and 27 sea stars were removed, the ratio of horseshoe crabs to sea stars was 5 : 3. How many horseshoe crabs and sea stars were there at first? Solve this problem and explain your reasoning.
Want to see the full answer?
Check out a sample textbook solutionChapter 7 Solutions
Pearson eText for Mathematics for Elementary Teachers with Activities -- Instant Access (Pearson+)
Additional Math Textbook Solutions
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)
Mathematics with Applications In the Management, Natural, and Social Sciences (12th Edition)
Finite Mathematics (11th Edition)
A Survey of Mathematics with Applications (10th Edition) - Standalone book
Mathematical Ideas (13th Edition) - Standalone book
- Four-fifths of the people on a hike are children. If there are 12 children, what is the total number of people on the hike?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:: 6.98 Translate to a proportion: 27 is 36% of what number?arrow_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 MCDOUGALIntermediate AlgebraAlgebraISBN:9781285195728Author:Jerome E. Kaufmann, Karen L. SchwittersPublisher:Cengage Learning
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillElementary AlgebraAlgebraISBN:9780998625713Author:Lynn Marecek, MaryAnne Anthony-SmithPublisher:OpenStax - Rice University