wtwbegay
15.12.2020 •
Mathematics
Ralph and Joe leave school walking in opposite directions. Ralph walks 1 km per hour faster than Joe. After 2 hours they are 30 km apart. What is the rate of each
Solved
Show answers
More tips
- B Business and Finance How to Open an Online Store? A Detailed Guide for Beginners...
- L Leisure and Entertainment What can be considered an antique: defining and valuing old objects...
- L Leisure and Entertainment Choosing the Right Books to Read: Tips and Recommendations...
- C Computers and Internet Step-by-Step Guide on How to Download Music to Your iPhone...
- H Health and Medicine Naskol ko Opasen Ukus Kleshcha i Kak Ego Raspoznat...
- F Family and Home How to Choose Suitable Windows for Your Home?...
- L Leisure and Entertainment What Movies You Should Watch: A Guideline to Make the Right Decision...
- L Leisure and Entertainment How to Identify a Song? Which Program Can Recognize a Song by Its Melody?...
- H Health and Medicine Coughing: Causes, Types, and Treatment Methods...
- F Family and Home Parquet or laminate, which is better?...
Answers on questions: Mathematics
- M Mathematics Given the following points on the graph determine the midpoint of the following segments...
- M Mathematics What is the common denominator for 1/3 and 1/4...
- M Mathematics What is the area of this circle(express your answer using n)...
- M Mathematics Juan unloads 29 bags of pine mulch from each of his fathers 2 trucks. together, the truck holds 2,262 pounds of pine mulch. what is the weight of each bag of pine mulch...
- M Mathematics Carlos is heading a student council project to improve cafeteria meals. he surveyed all students who eat cafeteria lunches to find out which of the five weekly cafeteria...
- M Mathematics What is the surface area of the prism? a. 1116 in2 b. 1188 in2 c. 1296 in2 d. 1080 in2...
- M Mathematics Lily goes to see a movie and the movie starts at 7: 45 and the running time is 2h and 27m. what time will the movie end? what if the movies started at 4: 40?...
- M Mathematics Morganville and newton are 24 miles apart. on a map the two cities are 3 inches apart what is the map scale?...
- M Mathematics Which term describes the red curve in the figure below a. hyperbola b. parabola c. circle d. ellipse...
- M Mathematics In the figure, m∠1=m∠2 = 22 and m∠3 = m∠4 = 123. find m∠tsk. choices: 33 35 45 22...
Ответ:
Joe's rate = 7 mph
Ralph's rate = 8 mph
Step-by-step explanation:
Give. That:
Joe's rate = x
Ralph rate = x + 1 kmph
Travel time = 2 hours
Hence, distance traveled = Speed * time
Joe's distance : 2 * x
Ralph's distance = 2 * (x + 1)
2x + 2(x + 1) = 30
2x + 2x + 2 = 30
4x + 2 = 30
4x = 30 - 2
4x = 28
x = 28/4
x = 7
Joe's rate = 7
Ralph's rate = 7 + 1 = 8
Ответ:
ok it is the third option
Step-by-step explanation: