The markup is $46.25 and the final price is $231.25
X - y = 3
6x + 4y = 13
x = y + 3
6(y + 3) + 4y = 13
6y + 18 + 4y = 13
10y = 13 - 18
10y = - 5
y = - 5/10
y = - 1/2
x = - 1/2 + 3
x = - 1/2 + 6/2
x = 5/2
Answer:
2,4,5
Step-by-step explanation:
Step-by-step explanation:
a)
<u>The first laptop</u>
- Initial value- $2000
- Value loss - 14% every year
- Function for value- V(t) = 2000*0.86^t
<u>The second laptop</u>
- Initial value- $1200
- Value loss - 11% every year
- Function- V(t) = 1200*0.89^t
b)
Monthly percent decrease
<u>The first laptop:</u>
<u>The second laptop:</u>
c)
The second laptop will lose less value in 5 years hence is better choice
See the graph attached
Can you share the pic of the question
it’ll be more clear to solve it in that way