Let
x-----> the purchase price of the house
we know that
1) Marika paid of the purchase price of the house with a loan
2) Marika paid the remaining of the purchase price with her savings
3) represent the
of the purchase price
so
Solve for x
Divide by both sides
therefore
<u>the answer is</u>
the purchase price of the house is
Answer:
The number of nickel coins is 10 and the number of quarter coins is 5
Step-by-step explanation:
<u><em>The correct question is</em></u>
Mary has 15 coins with the total value of $1.75 if the coins are nickels and quarters how many of each kind are there
Let
x ----> the number of nickel coins
y ----> the number of quarter coins
Remember that
we know that
Mary has 15 coins
so
-----> equation A
The total value of the coins is $1.75
so
----> equation B
Solve the system by graphing
Remember that the solution is the intersection point both graphs
using a graphing tool
The solution is the point (10,5)
therefore
The number of nickel coins is 10 and the number of quarter coins is 5
