Given:
There are given the equation:

Explanation:
From the equation (1):
Put the value of x into the equation (2):
So,
From the equation (2):

Now,
Put the value of y into the equation (1):
So,
From the first equation:

Final answer:
Hence, the ordered pair of the solution is shown below:
Answer:
65$
Step-by-step explanation:
Section 2 Topic 3 Homework
Question 2 of 4
Miguel spends $100 on books, five of which are hardcover and the remaining four are paperback. The prices at the bookstore are based
on whether the book is hardcover or paperback. It charges $2 less for paperback books than for hardcover books. What is the price for
hardcover books?
Answer:
The last one
Step-by-step explanation:
FInd a common demominator which is 20 and multiply both so it turns into 4 19/20
Answer:
a < 4
Step-by-step explanation:
7 + a < 11
Subtract 7 from each side
7+a-7 <11-7
a < 4