Scientists predict that there is a 0.8 chance that there will be an earthquake in San Francisco this year. How likely is that there will be an Earthquake?

80%

Step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.