Write a class called Cashier that directs a cashier how to cash goods and give change to customers. The typical cashier operations are as follows: (a) Cashier clears the cash register machine. (b) Cashier enters the name and the price of each item in the cash registering machine. (c) The customer tenders an amount of money to pay for the goods (We assume the amount covers the total). (d) The cash machine computes: a. The number of items purchased b. The total amount of purchase c. The average price of each item d. The number of coin denominations that the customer should receive. That is, the number of silver dollars, quarters, dimes, nickels, and cents the customer should receive in turn java

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step-by-step explanation:

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step-by-step explanation:

(a) common ratio in the given sequence is, 3

(b) push ups will do kendall do on the 20th week

step-by-step explanation:

geometric sequence is a sequence of numbers that follows a pattern were the next term is found by multiplying by a constant called the common ratio(r)

(a)

given the sequence: 6 , 18 , 54 , 162 ,

this sequence is geometric sequence where each term is 3 times the previous term.

therefore,

common ratio(r) = 3.

(b)

a formula for nth term of geometric sequence is given by;

,   where r is the common ratio between the successive terms and is the first term,

to find how many push ups will kendall do on the 20th week.

here. n = 20th term.

in the given sequence first term

then;

simplify:

therefore, push ups will do kendall do on the 20th week