-18/35 divided by 42/25
Grace bought 1.5 times as many pens as files for a total of $34.50. The amount of money she spent on pens is $10.50 more than the amount of money spent on files. If a pen costs $0.50 more than a file, find the cost of each pen.
In a hall,1/4 of the pupils were lined up in 6 long rows and 2/3 of the pupils were lined up in 24 short rows. The rest of the pupils were seated on the stage. Each long row had 15 more pupils than each short row. How many pupils were there in the hall?
