+0  
 
0
359
2
avatar+182 

A zoologist tagged 4 tortises in a consevation area. The average weight of the 4 tortisis was 87 pounds. The zoologist added 2 more tortises. The average weight of all 6 tortises was 90 pounds what was the average weight of the last 2 tortises

 

 

 

I think i spelled tortise wrong lol its fine

Animallover36  May 17, 2017
 #2
avatar+27032 
+1

90 = (4*87 + 2*w)/6. where w is the average weight of the last two tortoises.

 

Rearrange:

 

w = (6*90 - 4*87)/2 

 

w = 96 pounds

.

Alan  May 17, 2017

11 Online Users

avatar
avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.