17 A family is on a road trip. Their vehicle averaged 765 km for 99 litres of fuel. (a) Calculate the fuel consumption rate correct to 2 decimal places. (b) If the average fuel price is \( \$ 1.75 \) per litre, calculate the total fuel cost for their trip.

QUESTION 2 \( 2.1 \quad \) Simplify fully, without using a calculator: \( \frac{2^{n+1}-8.2^{n-3}}{2^{n-2}} \)

6. The marked price of a bicycle is sh 6245 . Muli bought the bicycle on cash terms and was givena \( 10 \% \) discount. Watuma bought the same type of bicycle on hire purchase terms where by he paid a deposit of sh 3000 an 12 equal monthly instalments of sh 500 . How much more than Muli did Watuma pay for his bicycle?

Write the answers in the circles. Then, number sentence on the line belo

A car completes a 200 km journey at an average speed of \( x \mathrm{~km} / \mathrm{h} \). The car completes the return journey of \( 200 \mathrm{kmatanaverage} \mathrm{speed} \mathrm{ot}(x+10) \mathrm{km} / \mathrm{h} \). i) Show that the difference between the time takenfor each of the two journeys is \( \frac{2000}{x(x+10)} \) hours. ii) Find the difference between the time taken for each of the two journeys when \( x=80 \). Give your answer in minutes and seconds.

\( \frac { 0 ) } { \frac { 3 x - 9 } { 5 } } = 16 \)