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2 years ago

Jamie wants to buy five donuts

Mathematics

1 answer:

liraira [26]2 years ago

5 0

The number of possible selections of the five donuts is; 21

<h3>Permutation and Combination</h3>

The ample supply contains;

Strawberry

Chocolate

Caramel

Since he wants to select 5 donuts, the orders could be;

Strawberry = 4, Chocolate = 1, Caramel = 0

Strawberry = 4, Chocolate = 0, Caramel = 1

Strawberry = 3, Chocolate = 2, Caramel = 0

e.t.c

Now, to solve this, Each option for Jamie is represented by an imaginary picture of five donuts (circles) and two bars (shelf separators).

Thus, the number of ways to select two spaces from 7 is;

7!/(5! × 2!) = 21

Read more about permutations and combinations at; brainly.com/question/11871015

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Step-by-step explanation:

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The exact doubling time of this amount is 8.04 years.

Step-by-step explanation:

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By the rule of 72, we have that the doubling time D is given by:

$D = \frac{72}{Interest Rate}$

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The exact answer is going to be found using the compound interest formula.

$A = P(1 + \frac{r}{n})^{nt}$

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We want to find the doubling time, that is, the time in which the amount is double the initial amount, double the principal.

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