Answer:Frederick county:2.5x+15,Montgomery county:3x+10
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
total cost=53.99+53.99×7/100=53.99+53.99×.07)=53.99(1+.07)=53.99(1.07)
The percentage Change is a increasing ( 30.26)
Answer:
97/200
Step-by-step explanation:
48.5 % is just 48.5 * 100%, or 48.5/100
We can then simplify 48.5/100 and get rid of the decimal place:
485/1000 =
97/200
<em>I hope this helped! :)</em>
The option formatting isn't very clear, anyway: given a number x, negative 3 times that number is -3x. If this has to be at least 57, it means that -3x must be greater than or equal to 57:

Dividing both sides by -3 solves the equation, but we have to switch the inequality sign because we're dividing by a negative number:
