Answer:
correct experiment: viral culture test
Trial: (RCT) random control trial
It causes mild sickness or death
60%
Working
£5:100%
£1:20%
£8:160%
So percentage increase is 60%
30-8.25= 21.75
21.75/3.75= 5.8, you can't buy .8 of a soda so he could buy 5 sodas.
I think you have to combine like terms to solve this one. (6d - 3d) + (5 - 2) = 3d + 3
