Answer:
w + 4 < -20
Step-by-step explanation:
Answer:
3/5
Step-by-step explanation:
ir would be 6/10 but simplified it would be 3/5
I am not sure but wouldn't it be y=3x-6 and y=4x-7
Answer: $26
Step-by-step explanation:
Let the number of $2 price increases be x.
This means that if the price is 10+2x, 42-2x shoes are sold.
So, the revenue is (10+2x)(42-2x).
To maximize profit, we must maximize revenue.
The maximum is at , so the price should be 10+2(8)=$26.