Answer:

The number of CDs sold last week was 84 and the number of CDs sold this week was 26
Step-by-step explanation:
Let
x ---> number of CDs sold last week
y ---> number of CDs sold this week
we know that
Last week she sold 6 more than 3 times the number of CDs that she sold this week
----> equation A
Ms. Lott’s sold a total of 110 CDs over the 2 weeks
----> equation B
Solve the system by substitution
substitute equation A in equation B

solve for y

Find the value of x

therefore
The number of CDs sold last week was 84 and the number of CDs sold this week was 26
Name: Ash
Where I’m from: New York
Favorite food: Chicken
Answer:
2,-2
Step-by-step explanation:
Its pretty simple, all you have to do is find opposite of y and put it.
Answer:
Answer = 14. 2
Step-by-step explanation:
Area of rectangle = length x breath
So, area here is = 49.7 cm2
Breath = 3.5 cm
49.7 = length x 3.5
Length = 49.7 ÷ 3.5
Length = 14.2 cm