15
63 x 5 = 315
315/20 = 15.75
hence, 15 $20 bills
Answer:
12
Step-by-step explanation:
Everything is multiplied by 4
Step-by-step explanation:
The answer is letter B. Negative and Negative is Positive.
Answer:

Step-by-step explanation:
So we have the equation:

First, distribute the left side:

Add values on the left side:

Add 7 to both sides. The right side cancels:

Subtract 2x from both sides. The left side cancels:

Divide both sides by -6:

Therefore, x equals -3.