Kylie ate lunch at a restaurant. The bill came to $74.60. If she left a 20% tip, what was the

Mathematics

2 answers:

docker41 [41]3 years ago

7 0

Answer:

Her total cost = $89.52

Step-by-step explanation:

bill = $74.60

Now,

tip = (20/100)×74.60

= 74.60/5

= $ 14.92

Her total cost = bill + tip

= 74.60 + 14.92

= $89.52

IRINA_888 [86]3 years ago

3 0

Answer:

total is 89.52

Step-by-step explanation:

20% >> .20

.20 * 74.60 = 14.92

14.92 + 74.60 = 89.52

Hope it Helps!

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The newly elected president needs to decide the remaining 8 spots available in the cabinet he/she is appointing. If there are 14

Elanso [62]

Answer:

The members of the cabinet can be appointed in 121,080,960 different ways.

Step-by-step explanation:

The rank is important(matters), which means that the order in which the candidates are chosen is important. That is, if we exchange the position of two candidates, it is a new outcome. So we use the permutations formula to solve this quesiton.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

$P_{(n,x)} = \frac{n!}{(n-x)!}$

If there are 14 eligible candidates for these positions (where rank matters), how many different ways can the members of the cabinet be appointed?

Permutations of 8 from a set of 14. So

$P_{(14,8)} = \frac{14!}{(14-8)!} = 121,080,960$