Application problems with unknowns

A company’s telephone use would have to increase by 350 calls per hour before the system would reach the maximum capacity of 1,500 calls per hour.

Currently, how many calls are being made each hour on the system?

1($)

Last year, a stylist lost 17 customers who moved away.  If she now has 73 customers, how many did she have originally?

1($)

For speeding in a construction zone, a motorist had to pay a fine of $592. The violation occurred on a highway posted with signs like the one shown on the right.  What would the fine have been if such signs were not posted?

1($)$

A five piece band worked on New year's Eve.  If each player earned $120, what fee did the band charge?

1($)

To receive a degree in child development, students at one college must complete 135 hours of volunteer service by working 3-hour shifts at a local preschool. If a student has already volunteered 87 hours, how many more 3-hour shifts must she work to meet the service requirement for her degree?

1($)

In return for her services, an attorney and her client split the jury’s cash award equally. After paying her assistant 1000, the attorney ended up making 10000 from the case.

What was the amount of the award?

1($)$

A candidate for a position with the FBI scored 12 points higher on the written part of the civil service exam than she did on her interview. If her combined score was 92, what were her scores on the interview and on the written part of the exam?

Scores in interview = 1($)

Scores on the written part = 2($)

After receiving a donation of 400 feet of chain link fencing, the staff of a preschool decided to use it to enclose a playground that is rectangular. Find the length and the width of the playground if the length is three times the width.

length = 1($)

width = 2($)