(a(i))[2]
Split $105$ in the ratio $4 : 3$.
(a(ii))[2]
Raise $105$ by $12\%$.
(a(iii))[3]
A jacket is marked down by $16\%$ in a sale, leaving a price of $105$. Calculate the jacket's original price.
(b)[6]
Calculate the difference in value between the two investments after 30 years. Give your answer in dollars, rounded to the nearest cent.
(c)[3]
Calculate the value for $P$.
(d)[3]
Calculate the value of $x$ from this information.