A. As the 3 (tens) are 30 units, multiplying by 30 will, of course, give the number of days in 30 years. ... At 13 dollars a barrel ? A. 6552 dollars. 7. If a man receive 256 cents for one daya#39;s work, how many cents will he receive, at that rate, ... 8 it the stage runs 9 miles an hour, how many miles will it run, at that rate, in 12 hours ?
|Title||:||Practical and mental arithmetic, on a new plan, in which mental arithmetic is combined with the use of the slate ...|
|Author||:||Roswell Chamberlain Smith|