Answer:
The cost of desktop before finance charge was $1750.
The cost of laptop before finance charge was $1900.
Step-by-step explanation:
Let us assume this is a simple interest scenario.
Let D be the cost of desktop
Let L be the cost of laptop
Given- the laptop cost $150 more than the desktop.
So,
The total finance charge for 1 year is given by :

Substituting the value of L here, we get;

=>
=> 
=> 
=> 
D = $1750
As
So, 
L = $1900
We can check this :

=> 
=> 
So, the cost of desktop before finance charge was $1750.
The cost of laptop before finance charge was $1900.
Answer:
Step-by-step explanation:
2(3n-5)-4n+7=
6n-10-4n+7=
-3+2n
Answer:
3×5³
Step-by-step explanation:
Finally 15 = 3 x 5. So 375 = 3 x 5 x 5 x 5 (it is usual to put prime factors in ascending order), or in index form, 3 x 5³.
The answer for the first question is the second option.
The answer for the second question is 192