Answer:
Boulders:
1 - 10
2 - 20
3 - 30
4 - 40
5 - 50
Manhattan Rocks:
1 - 15
2 - 20
3 - 25
4 - 30
5 - 35
B. 10 hours, Ismael should go to Manhattan Rocks because 35 times 2 is 70 and 50 times 2 is 100. Manhattan Rocks would only be 70 compared to 100.
C. is for you to decide
Explanation: