Answer:
x = 4.8
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below :)
A bank loaned out $12,00, part of it at the rate of 9% per year and the rest at 19% per year. If the interest received in one
1 answer:
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Answer:
You kayak 255 feet farther 5 minutes on the way down the river than in 5 minutes on the way up the river
Step-by-step explanation:
Given:
The rate at which you kayak up a river = 48 feet every 30 seconds.
The rate at which you kayak down a river = 423 feet every 3 minutes
To Find:
How much farther do you kayak in 5 minutes on the way down the river than in 5 minutes on the way up the river = ?
Solution:
Let the speed with which you kayak up the river be x and the speed with which you kayak down the river be y
Then
x = [ Converting 30 seconds to 0.5 minutes]
x = 96 feet per minute
Similarly
y =
y = 141 feet per minute
Now the distance kayaked up the river in 5 minutes
=>
=> ( in 5 minutes there are 10 30 minutes)
=>960 feet
Now the distance kayaked down the river in 5 minutes
=>
=> ( in 5 minutes there are 10 30 minutes)
=>705 feet
Thus
960-705 = 255 feet