X/7= -3
X= -21
Hope this helps!
Your answer would be 4.23 as the answer will be a long one, estimated.
Answer: 3 Sets of the 4 post cards and 3 of the single post cart sets.
Step-by-step explanation:
You buy 3 of the 4 post card set becuase that is the most you can get of those to get under 15 post cards.
You would now have 12 postcards now you have to buy 3 of the single set to get to 15 cards
Answer:
(7.5 , -2.5)
Step-by-step explanation:
Sub the values into this formula