Answer:
sorry dont know
Step-by-step explanation:
good luck tho
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Answer:
10(10+x)
Step-by-step explanation:
Answer:
51869 ft
Step-by-step explanation:
If he climbed both mountains, then we add the heights together
22834 + 29035
51869 ft
Answer:
New avaerage if 2 students (15 year old) left = 13
Step-by-step explanation:
Given:
Average age of 20 students = 13.2
Find:
New avaerage if 2 students (15 year old) left
Computtaion:
Sum of all 20 student's age = 20 x 13.2
Sum of all 20 student's age = 264
Sum of current 18 student's age = 264 - 15 - 15
Sum of current 18 student's age = 234
New avaerage if 2 students (15 year old) left = 234 / 18
New avaerage if 2 students (15 year old) left = 13
