Answer:
10+8x=y
Step-by-step explanation:
The 10$ is added on because it's a one time exchange and the 8 is multiplied by the x because for every hour you add 8$ to the price and y is the total price at the end depending on x.
The second and third ones are the true ones
2 for every 4 = 1 for every two, so 28 multiplied by two. Your answer is 56.
It has one solution that is the answer