Write the ratio as a fraction.

$$4 \times 2 = 1 \times (x+5)$$ $$8 = x+5$$

$$8 - 5 = x$$ $$x = 3$$

The solution is $\boxed{\text{x = 3}}$.

2.b. Change the following amounts in U.S. dollars to Cedis. (Exchange rate, $1 = \text{GHC}4.56$)

i. $200

$$200 \times 4.56 = 912$$

The amount is $\boxed{GHC