The simple interest formula is i = prt, where i represents simple interest on an amount, p, for t years at a rate of r, where r is expressed as a decimal.
what is the amount of money, p, that will generate $40 in interest at a 10% interest rate over 5 years

Step-by-step explanation:

Then, knowing that the formula of Simple Interest is:

We can solve for "P":

We know that we need to calculate the amount of money that will generate $40 in interest at a 10% interest rate over 5 years. Then, we can identify that:

Finally, substituting values into  , we get that "P" is:

the answer is (4,3)

since the rule for r0, 90º is (-y,x) and it was already applied to form the image, all you have to do is reverse the answer using this formula.

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.