+0  
 
-1
49
1
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 Mar 30, 2020
 #1
avatar+111321 
+1

First  one

 

10  - [ 2 (2.78)  + 2.85]  = 10  -  [ 8.41 ]  =   1.59  pounds  change

 

 

Second  one   (easy)

 

people in boat * number  of boats  = total people

 

6y

 

 

cool cool cool

 Mar 30, 2020

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