you have 10 fish and 3 died (must not have been taking very good care of them ?), but it didnt say that you cleaned them out ...
so you still have 10 fish in the tank
8 more got put in, so 10 + 8 = 18 fish
2 died but you STILL didnt take them out, so you have 18 fish in the tank now.
The product of 40 and 8 is 320. (40 * 8 = 320)
Point at (0,-3) and another point at (1,1)....draw a straight line through the points and draw arrows at the end, symbolizing that the line goes to infinity
The rule of 72 that represents the annual interest rate is defined below , the rate is 4.5% .
In the question ,
it is given that ,
Miguel is planning to retire after 16 years ,
and he wants to double his money ,
The Rule of 72 is a simplified formula , that is used to calculate the time that an investment will take to double the value , based on its rate of return .
By the rule of 72 ,
Number of years that would take an investment to double = 72/(rate of interest )
n = 72/r
given the time is 16 years .
16 = 72/r
r = 72/16
r = 4.5%
Therefore , The rule of 72 that represents the annual interest rate is defined below , the rate is 4.5% .
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If it flies at a rate of feet per hour, then it will will travel a foot per hour
