If you specify a negative scale, Oracle Database rounds the actual data to the specified number of places to the left of the decimal point. For example, specifying (7,-2) means Oracle Database rounds to the nearest hundredths, as shown in Table 26-1.
McCann (2000) found that households in communities with good transit use save an average of about $3,000 annually on transportation costs. Litman (2004) found annual transportation cost savings of about $1,300 per household in cities with well-established rail transit systems compared with cities that lack rail.
School Transportation Costs. ï· In 2004-05, the most recent year for which statistics are compiled, 55.3% of the 45,625,458 children. enrolled in public K-12 schools were bused to school at public expense. ï· The United States spends $17.5 billion per year on school bus transportation at an average cost of $692. per student transported.1. ï· The percentage of children bused has been declining steadily since the mid-1980s, when slightly more. than 60% of children were bused.