Adoctor recommends a two-step process to treat a rare form of pancreatic cancer. the first method is successful 80% of the time. if the first method is successful, the second method is successful 90% of the time. if the first treatment is not a success, the second is 25% of the time. what is the probability that both treatments are unsuccessful?

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25

answer: the answer is 100 x 12,500, which is 1,250,000.

step-by-step explanation: emily solved for a part when she should have solved for the whole.  

875,000 should be the numerator of the equivalent ratio.  

70 x 12,500 is 875,000.