SOLUTION: Caleb and Sergio stacked boxes on a shelf. Caleb lifted 14 boxes and Sergio lifted 12 boxes. The boxes that Sergio lifted each weighed 10 lb more than the boxes Caleb lifted.
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Question 1187167:  Caleb and Sergio stacked boxes on a shelf. Caleb lifted 14 boxes and Sergio lifted 12 boxes. The boxes that Sergio lifted each weighed 10 lb more than the boxes Caleb lifted.
Let c represent the weight of each box Caleb lifted.
Which expression represents the total number of pounds Sergio lifted?
10(c−12)
12(c+10)
c + 10
120c 
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!
 
Number of boxes Caleb lifted = 
Number of boxes Sergio lifted = 
Weight of boxes Caleb lifted =  lb
Weight of boxes Sergio lifted = lb
Total number of pounds Caleb lifted = Number of boxes Caleb lifted × Weight
of boxes Caleb lifted
= 
=
Total number of pounds Sergio lifted =Number of boxes Sergio lifted × Weight of boxes Sergio lifted
= 
Therefore, an expression to represents the total number of pounds Sergio lifted is 
 
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