Buying it 10% discount without tax is the best option. With card you still have the tax plus the card fee you pay annually to add to it. On the online purchase, you still have the tax plus the 5 shipping charge.
Answer:
In step 5, andrew made a mistake by subtracting 9.8 instead of adding 9.8. Andrew should've have obtained the answer -2, but because of his mistake the answer is incorrect.
I you're looking for the equation, it is
and If you need me to solve it, it is
Answer: The baby Grows at the average of 3 pounds a month.
Step-by-step explanation: See this work in the picture
