Answer :
Final answer:
Using the clustering estimation technique, each weight of the grapefruits are rounded near to 35 ounces. Then, the total weight of the grapefruits would be around 140 ounces.
Explanation:
The clustering estimation technique uses rounding to estimate the results of arithmetic problems. In this case, we would round each of the weights of the grapefruits to the nearest whole number that is easy to work with. Since all weights are close to 35 ounces, we can 'cluster' them around 35. Therefore, the estimate for the total weight of the grapefruits would be 35 ounces times 4, or approximately 140 ounces.
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