Mary is baking cookies, and the recipe calls for 1 1/2 cups of sugar. If she has 6 1/3 cups of sugar left after she bakes the co
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Your question seems a bit incomplete, but for starters you can write
Expanding where necessary, recalling that
, you have
and you can stop there, or continue to rewrite in terms of the reciprocal functions,
Now, since
, the final form could also take
or
Expanding where necessary, recalling that
and you can stop there, or continue to rewrite in terms of the reciprocal functions,
Now, since
or
Answer: 8.76%
Step-by-step explanation:
The formula to find the simple interest is given by :-
, where P is the principal amount, r is rate of interest () in decimal and t is the time ( in years). (1)
Given : Justin deposited $2,000 into an account 5 years ago.
i.e. P = $2,000 , t= 5 years
He has just withdrawn $2,876. i.e. Future value = $2,876
Interest (I)=$2,876-$2,000=$876 [Subtract Principal value from Future value]
Substitute all the above values of P , t , and I in the formula (1) , we get
In percent ,
Hence, the rate of interest = 8.76%