Answer:

217-245=-28

Step-by-step explanation:

Add $28 to $217, which is $245. Then subtract 245 from 217.

?

Answer: each cookie was $0.94

5.00 - 1.89 = 3.11

3.11 - 1.23 = 1.88

1.88 divided by 2 = 0.94

b= a /c

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B) 2:1

As, 1 kg = 1000g

So 1000g : 500g = 2:1

The coordinates I chose are (0,-5) and (2,-4)