-3 1/2 is another way it can be written
Given:
a.) The price of an item has dropped to $63 today.
b.) Yesterday it was $140.
For us to be able to determine the percentage decrease, we will be using the following formula:

We get,
Original Price = $140
Present Price = $63





Therefore, the decrease of the price in percentage is 55%.
Answer:
85 notes
Step-by-step explanation:
2 coins : 5 notes
1 coin : 2.5 notes
34 coins : __ notes
^
I
I
(multiply by 2.5 to get amount of notes)
Answers:
14: C.) y = 3.3x +10
15: B.) The table is non-proportional because the x-values do not increase at a constant interval.
16: ???? I Dunno srry