A bucket containing 40 golf balls weighs 135 ounces. The same bucket with 20 golf balls weighs 75 ounces. What is the weight of the bucket?

grade 7


Think of the problem this way:

A bucket with 20 golf ball weighs 75 ounces

20 more balls are added to the bucket and it then weighs 135 ounces

How much do 20 balls weigh?

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