Suppose a cistern has a cock which conveys 37 gallons into it in an half hour, how much would run into it in 1 d. 8h. 17. If a man can earn 18 dollars in a calendar month, how much would he earn in 7 y. 8 mo. ? 18. In one year how manyanbsp;...
|Title||:||Arithmetic upon the inductive method of instruction ...|