Answer:
6.32
Step-by-step explanation:
There's an easy trick for this. Move the decimal point once to the left, and then multiply by 2.
31.60 turns into 3.16 (which is 10% btw)
Multiply 3.16 by 2 and you get 6.32, or 20% of 31.60. Hope this helped!
Answer:
Inverse proportionality relationship
Step-by-step explanation:
SInce I equals 50 divided by t, we see "t in the denominator, which corresponds to an INVERSE proportionality between these variables (I and t)
Answer:
$7995.85
Step-by-step explanation:
We will use simple interest formula to solve our given problem.
, where,
A = Amount after t years,
P = Principal amount,
r = Annual interest rate in decimal form,
t = Time in years.








Therefore, Judy will will pay back on January 20: <u>$7995.85</u>.
Answer: I think it’s D
Step-by-step explanation:
it’s because 8^2 + 13^2 equals 233 and when square rooted equals 15.26 not 20 so no.