Multiply -6 by -5
30
then you add the b
so you get 30b
Answer:
I believe the answer is A and I'm sorry if I'm wrong
Answer:
the percent decrease is approximately 47 %
Step-by-step explanation:
Since the quantity started at 170 and then changed to 90, there was clearly a decrease in its value.
We use the following formula to calculate the percent of decrease: