The answer is 3x+15 hope this helps :)
Answer:
answer is 64x68
Step-by-step explanation:
Answer:
{6,7,8,9,10}
Step-by-step explanation:
Solve the inequality using inverse operations.

This solution means values equal to or larger than 6 from the set are solutions. This means 6, 7, 8, 9, and 10 are the solution set.
1679/7
=239.85...
Rounds to 240
So average rate is 240
Yesterday's price of notebook = $3.45
Today's price of notebook = $3.20
We have to determine the percentage decrease in the cost of notebook.
Percentage decrease = (Decrease
Old price) 
So, percentage decrease = 
=
= 7.246%
= 7.25%
Therefore, there is 7.25% of decrease in the cost of the notebook.