A person may double to right field.Logical formLearned from4 sentences. A person may double to a corner.Logical formLearned from4 sentences. A country may double an economy.Logical formLearned from4 sentences. An (operating profit) may double in a quarter.Logical formLearned from4 sentences. A proportion of births may double.Logical formLearned from4 sentences. Discoveries may double an estimate.Logical formLearned from4 sentences. An amount of money may double over some years.Logical formLearned from4 sentences. A member may double.Logical formLearned from4 sentences. Bread may double in price.Logical formLearned from4 sentences. A number of children may double through 1980s.Logical formLearned from4 sentences. A frequency of racism may double over a period.Logical formLearned from4 sentences. A (radio source) may double in apparent brightness.Logical formLearned from4 sentences. A purse may double.Logical formLearned from4 sentences. (Ultraviolet radiation) may double.Logical formLearned from4 sentences. (Electricity bills) may double.Logical formLearned from4 sentences.