0
Best Answer
17.5
It is 2.5 more than 15 and 2.5 less than 20
To find a halfway point (which is also the average), add the numbers together and divide by 2.
Wiki User
∙ 7y agoThis answer is:
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Wiki User
∙ 10y agoIt is (1.5 + 2.0)/2 = 1.75
This answer is:
sara goia
Lvl 1
∙ 2y agou sure?
sara goia
Lvl 1
∙ 2y agoi think u got the answer wrong Wiki User.
Wiki User
∙ 12y agoThe way to find an average (arithmetic mean) of two or more numbers is simple. Simply use the formula below.
sum of all the terms in a list / number of terms in the list
In the case of -15 and 20...
(-15) + 20 / 2 = 2.5
This answer is:
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