I believe question 3 is B and question 4 is B
Answer:
-3a
Step-by-step explanation:
Ignore the variable since they are the same, apple and apples, and simply pay attention to the coefficient
Answer: The first machine would cost $420
and the second machine would cost $432
you should buy the first machine
Step-by-step explanation:If you get a 30% discount, then you are paying 70% of the selling price.
Machine 1: 600(.70) = 420
Machine 2: A 10% discount means you pay 90%
600(.90) = 540 But now you get a 20% discount on that amount, which means you would pay 80%
So, 540(.80) = 432
