Amount paid by Mary for her computer is
.
<u>Solution:
</u>
Given that, Sam purchased a computer for
.
Price of the printer that Mary purchased was
the price that Sam paid.
Need to calculate amount Mary pay for her computer. Assuming that Mary purchased same computer that is purchased by Sam and store selling the computer have same rates for all customers
.
So, amount Mary pay for computer = Amount Sam paid for computer =
Hence, amount paid by Mary for her computer is
.
Answer:
x=3, y=8; (3,8)
Step-by-step explanation:
To use the substitution method, first solve for a variable.
2x+y=14
2x+y(-2x)=14(-2x)
y=14-2x
Now substitute y in the other equation with 14-2x
5x-2(14-2x)= - 1
Simplify by multiplying inside the parenthesis.
5x-28+4x= - 1
Combine the x values
9x-28= - 1
9x=27
x=3
Now substitute the x value in to solve for y
2(3)+y=14
6+y=14
y=8
I got 1808 is your multiple choice wrong?
Yes, 14 is correct.
15: 3^4 - 4
16: 7n - 6
17: n^2 / 8
18: 3n x 9
Answer:x=16.5
Step-by-step explanation:
22divided by 4 is 5.5
5.5 times 3 is 16.5