(a) Write a formula for the \( n^{\text {th }} \) term of a sequence that represents the resale value of the tractor \( n \) years after purchase. \( a_{n}=106250(0.80)^{n} \) Alternate Answer: \( a_{n}=106,250(0.8)^{n} \) or \( 85,000(0.8)^{n-1} \) Part: \( 1 / 2 \) Part 2 of 2 (b) What will the resale value be 4 yr after purchase? Round to the nearest \( \$ 1000 \). The resale value will be approximately \( \$ \square \).

2.75 U Hva er vekstfaktoren når prisen på en vare går opp med \( \begin{array}{llll}\text { a } 5 \% & \text { b } 15 \% & \text { c } 15,5 \% & \text { d } 0,5\end{array} \)

QUESTION 21 Suppose the nominal exchange rale between the Japanese yen and the UK pound is 100 yen per pound. Further, suppose that a kilogram of nice costs \( £ 2 \) in the UK and 250 yen in Japan. What is the real exchar rate Detween Japan and the UK? a) 2.5 kilograms of Japanese rice per kilogram of UK rice. b) 0.5 kilograms of Japanese nce per kiogram of UK rice. c) 1.25 kilograms of Japanese rice per kilogram of UK rice.

and savings account. If he put \( \$ 180 \) into his savings account, what percentage of the total deposit did he put in his checking account?

You want to take out a \( \$ 299,000 \) mortgage (home loan). The interest rate on the loan is \( 5.4 \% \), and the loan is for 30 years. Your monthly payments are \( \$ 1,678.98 \). How much will still be owed after making payments for 5 years? \( \$ \) How much will still be owed after making payments for 10 years? How much will still be owed after making payments for 15 years? Round your answers to the nearest dollar.

Oppgave 2 Når Oslo Børs stenger for dagen er en type aksje verdt 42 kr . I løpet av dagen har aksjen økt i verdi med \( 20 \% \). Hvor mye var aksjen verdt da Oslo Børs åpnet denne dagen?