Colored blocks

Tucker and his classmates placed colored blocks on a scale during a science lab. The brown block weighed 8.94 pounds and the red block weighed 1.87 pounds. How much more did the brown block weigh than the red block?

Correct result:

d =  7.07 lb

Solution:

b=8.94 lb r=1.87 lb  d=br=8.941.87=707100=707100 lb=7.07 lb



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