+0  
 
0
1264
2
avatar

he table shows the average weight og a type of plankton after several weeks.

Time (weeks)            Weight (ounces)

8                               0.04

9                                0.07

10                              0.14

11                              0.25

12                              0.49

What is the average rate of vhange in weight of the plankton from week 8 to week 12?

Guest May 24, 2015

Best Answer 

 #1
avatar+981 
+10

(0.49 - 0.04)/(12 - 8)  ..........(this is the total change over the 4 weeks)   

 

0.45 ounces/4 weeks ..........(in 4 weeks it increases by 0.45 ounces)

 

0.1125 ounces/week .......... (so on average, from week 8 to 12, the weight changes 0.1125 ounces per week)

zacismyname  May 24, 2015
 #1
avatar+981 
+10
Best Answer

(0.49 - 0.04)/(12 - 8)  ..........(this is the total change over the 4 weeks)   

 

0.45 ounces/4 weeks ..........(in 4 weeks it increases by 0.45 ounces)

 

0.1125 ounces/week .......... (so on average, from week 8 to 12, the weight changes 0.1125 ounces per week)

zacismyname  May 24, 2015
 #2
avatar+94140 
+5

Nice answer Zac  

Melody  May 25, 2015

18 Online Users

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.