If Sally earned $630 in interest when investing $1200 at a rate of 15% per year, how many years have passed?
1 answer:
You might be interested in
We have been given that the upstream speed is and the down stream speed is
.
Let the fisherman traveled a distance of x miles.
The total time of the trip is 6 hours.
Relations between speed (s), time (t) and distance (d) is
Hence,
Time upstream + time downstream = 6
lcm = 10
=>
Cross multiplying,
x = 20 miles .. Answer.