The number of each type of book is what is unknown, so we can represent those quantities with variables. Let x = the number of hardbacks and y = the number of paperbacks. Then we know that: x + y = 65 (the total number of books sold) We also know the total cost of both editions, which is $1356. It can be written algebraically as: 28x + 12y = 1356 We now have a system of two equations, which can be solved by substitution. It would be easier to solve the first equation for either x or y and substitute that into the second equation.
It’s very important to your business. Good records will help you do the following: Monitor the progress of your business.
B. It is too risky to <span>use credit cards online, and online payment services have better security because of the increasing number of hackers that may steal money from your bank account.</span>
Answer:
Option (b) is correct.
Explanation:
This is a case of monopoly market condition where there is a single firm operating the whole market. The price of the products is set by the single firm and the buyers in this market are price taker. The monopolist can earn normal profit, losses and abnormal profit in the short run and can earn normal profit and abnormal profit in the long run.
In our case, the price of diamonds is high because there is only single firm in the whole market and there is no other competitors in the market. That's why they are charging the higher prices.
Answer: Common fate
Explanation:
The gestalt principle of common fate explains that objects moving in the same direction with a similar speed range, are observed as being part of one body.
Sascha's band director is making use of the gestalt principle of common fate to give the audience an illusion of waves of motion from the movement of the band members.
