2:3
6 ÷ 2 = $3 (cost of 1 pack of butter cookies)
3 x 3 = 9 (cost of 3 packs of butter cookies)
17 - 9 = 8 (cost of 4 packs of chocolate cookies)
8 ÷ 4 = 2 (cost of one pack of chocolate cookies)
Answer:
a
Step-by-step explanation:
subtract 6 from both sides
3
18 -15 = 3
Multiply liters by 10.
1 liters= 10 deciliters
