In Exercises 121-124, determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. 121. Every rational number is an integer. 122. Some whole numbers are not integers. 123. Some rational numbers are not positive. 124. Some irrational numbers are negative. 125. A bird lover visited a pet shop where there were twice 4 and 20 parrots. The bird lover purchased of the birds. English, of course, can be ambiguous and "twice 4 and 20" can mean 2(4 + 20) or 2.4 + 20. Explain how the conditions of the situation determine if "twice 4 and 20" means 2(4 + 20) or 2.4 + 20.

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