Answer: A
Step-by-step explanation:
In this question, you can disregard the initial $13.90 cost because we're only looking for an INCREASE in price. If the Johnson family used 200 cubic feet MORE of water, we need to multiply 2 * 1.45 which gets us 2.90. We multiply 2 by 1.45 because 200 represented in x is 2, since x is represented in hundreds.
Answer:
3r 10b 4g
red + blue = 39
there are 9 red marbles and 30 blue marbles
green marbles = 30 * 4 / 10 = 12
Step-by-step explanation:
You use the equation Ax^2 + Bx + C to solve this equation.
The answer is 25.
I hope this helps :D
