The answer is 30.857142 = x
Answer:

2.22%
Step-by-step explanation:
$8400 is invested in an account earning 2.2% interest (APR), compounded monthly.
So, the value of the account after t years will be given by
{Rounded to the four decimal places} (Answer)
Now, for t = 1 year, f(1) = $8586.67
So, the percentage of growth per year (APY) =
% {Rounded to the nearest hundredth of percent} (Answer)
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1000 ml costs £3.50
200 is 1/5 of 1000 so it will be £0.7