Chris has 4 rocks that each weigh 29 pounds. he can lift all of them above his head at once!
which of these is the best estimate for how many pounds chris can lift above his head? (assume the set of four rocks pushes his lifting power nearly to the limit.)
choose from one of the following options.
120 pounds
100 pounds
140 pounds
80 pounds

Hello there.

Question: Chris has 4 rocks that each weigh 29 pounds. He can lift all of them above his head at once!
Which of these is the best estimate for how many pounds Chris can lift above his head? 

120 pounds
100 pounds
140 pounds
80 pounds

29 x 4 = 116.
Therefore the best estimate would be 120 pounds.

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A. Same shape 
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