a freight train passes the old web train station at 7:00 am going 42 mph. Ten min later a passenger train, headed in the sam direction on an adjacent track passes the same station at 45 mph. At what...

if you buy a house for \$200,000 and its value increases by 5% each year for 4 consecutive years what is its value at the end of the fourth year?

Most high school students take at least one sat test in their jr. year of high school to assist with placement and acceptance into college. the perfect score is 1600. en 2016 two students scored more...

A money market account has an initial principal of \$3000 & an annual interest rate of 3%. The interest is compounded continuosly. How many years will it take the acount to reach a balance of \$9000...

Juwan invests \$7600 in two different accounts. The first account paid 6 %, the second account paid 14 % in interest. At the end of the first year he had earned \$816 in interest. How much was in each...

Rick cuts his grass with a riding mower with a 10 foot swath.  The mower goes seven miles per hour.  It takes Rick 2.5 hours to mow the lawn.  How many acres is Rick mowing?

andrea donates a total of \$2,000 per year to her local college. this year she wants the amount she donates for liberal arts to be nine times the amount she donates for scholarships for business. determine...