Answer:
B
Step-by-step explanation:
Because... 150 divided by 50 = 3
:)
Answer:
22.5km per hour
Step-by-step explanation:
Answer:
the correct answer is b (4,2)
<h2>Solution (a) :-</h2>
Let the cost of the less expensive comic book be x .
Then :-
![1284 - 11x = x](https://tex.z-dn.net/?f=1284%20-%2011x%20%3D%20x)
Using this equation , we can find the cost of the less expensive comic book .
Price of the less expensive book :-
![1284 - 11x = x](https://tex.z-dn.net/?f=1284%20-%2011x%20%3D%20x)
![11x + x = 1284](https://tex.z-dn.net/?f=11x%20%2B%20x%20%3D%201284)
![12x = 1284](https://tex.z-dn.net/?f=12x%20%3D%201284)
![x = \frac{1284}{12}](https://tex.z-dn.net/?f=x%20%3D%20%20%5Cfrac%7B1284%7D%7B12%7D%20)
![x = 107](https://tex.z-dn.net/?f=x%20%3D%20107)
Cost of the less expensive book is 107 .
Therefore , the epice of the less expensive book = $ 107 .
<h2>Solution (b) :-</h2>
Cost of the more expensive book = 11x
Which means :-
![1284 - x = 11x](https://tex.z-dn.net/?f=1284%20-%20x%20%3D%2011x)
![11x + x = 1284](https://tex.z-dn.net/?f=11x%20%2B%20x%20%3D%201284)
![12x = 1284](https://tex.z-dn.net/?f=12x%20%3D%201284)
![x = 107](https://tex.z-dn.net/?f=x%20%3D%20107)
![11x = 11 \times 107](https://tex.z-dn.net/?f=11x%20%3D%2011%20%5Ctimes%20107)
![= 1177](https://tex.z-dn.net/?f=%20%3D%201177)
Therefore , the price of the more expensive book = $ 1177 .