Questions by RollRoll

Questions by RollRoll

Logic Puzzle Task Cards I don’t understand 5 and 6

asked Dec 7, 2023

1 answer

14 votes

178k views

Bobby can paint a certain fence in two hours, Zane Zachary can paint the same fence in three hours and Slow Sammy can) t the fence in six hours. If all three boys worked together, how long would it take

asked Oct 5, 2023

1 answer

27 votes

341k views

Larry has $3.10 consisting of quarters, dimes, and nickels. He has twice as many quarters as dimes and 3 more dimes than nickels. Find the number of each kind of coin.

asked Aug 13, 2023

1 answer

12 votes

472k views

How does increases in human populations affect the Earth?

asked Apr 16, 2023

1 answer

44 votes

274k views

If a disease-destroying corn plant in a field is swept through an ecosystem, what would happen to the corn-eating bird population in the field?

asked Feb 2, 2023

1 answer

34 votes

107k views

1. °C= (°F-32) X 5/9. what will be the answer? 2. °F= 9/5 (°C)+32 3. °K= °C+273 4. D= m/V

asked Jul 28, 2022

1 answer

20 votes

415k views

The mean of 7 numbers is 15. When an 8 thnumber is added, the mean decreases to 12. What is the 8 thnumber?.

asked Apr 24, 2022

1 answer

14 votes

261k views

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